{"title":"FPR Nibs","description":"\u003ch3\u003eFPR Flex \u0026amp; Speciality Nibs\u003c\/h3\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eTransform your favourite fountain pen with FPR replacement nibs designed for expressive writing, sketching and lettering. Available in \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003e#5.5 and #6 stainless steel sizes\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e, these nibs offer three unique writing experiences: \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eUltra Flex\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for dramatic line variation, \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eFlex\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for softer everyday writing, and \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eArchitect\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e for distinctive shaped lettering and broad cross strokes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003cstrong\u003e#5.5 nibs\u003c\/strong\u003e are a popular upgrade for pens such as the \u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-brands-twsbi?filter.p.m.magento.brand_series=TWSBI+Diamond+580\u0026amp;filter.p.m.magento.brand_series=TWSBI+Diamond+580AL\u0026amp;filter.p.m.magento.brand_series=TWSBI+Diamond+580ALR\"\u003e\u003cstrong\u003eTWSBI Diamond 580\u003c\/strong\u003e\u003c\/a\u003e, while the \u003cstrong\u003e#6 nibs\u003c\/strong\u003e suit larger pens including many \u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-brands-opus-88?filter.p.m.magento.brand_series=OPUS+88+Demo\u0026amp;filter.p.m.magento.brand_series=OPUS+88+Harmony\u0026amp;filter.p.m.magento.brand_series=OPUS+88+Holiday+Jazz\u0026amp;filter.p.m.magento.brand_series=OPUS+88+Omar\"\u003e\u003cstrong\u003eOpus 88 models\u003c\/strong\u003e\u003c\/a\u003e and other compatible pens. Learn more about pen compatibility over on our \u003ca href=\"https:\/\/www.larrypost.com.au\/blogs\/blogs\/fpr-flex-specialty-nibs?_pos=1\u0026amp;_sid=2e239ae74\u0026amp;_ss=r\"\u003eblog\u003c\/a\u003e.\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"fpr-stainless-steel-nib-size-5-5-ef-ultra-flex","title":"FPR Stainless Steel Nib - Size #5.5 - EF Ultra Flex (Nib Only)","description":"\u003ch2 data-start=\"31\" data-end=\"291\"\u003eThe best of the steel flex nibs\u003c\/h2\u003e\n\u003cp data-start=\"31\" data-end=\"291\"\u003eTurn an ordinary fountain pen into a tool for expressive writing and sketching. The FPR #5.5 EF Ultra Flex nib delivers dramatic line variation with very light pressure, giving you hairline upstrokes and broad shaded downstrokes from the same nib.\u003c\/p\u003e\n\u003cp data-start=\"293\" data-end=\"440\"\u003eDesigned for users who want softness and character without vintage level fragility, this nib rewards a gentle hand and slower, intentional writing.\u003c\/p\u003e\n\u003ch2 data-section-id=\"babg1j\" data-start=\"442\" data-end=\"464\"\u003eWhat set's it apart\u003c\/h2\u003e\n\u003cul data-start=\"466\" data-end=\"806\"\u003e\n\u003cli data-section-id=\"6ak0yk\" data-start=\"466\" data-end=\"514\"\u003eFine hairlines with broad expressive strokes\u003c\/li\u003e\n\u003cli data-section-id=\"nbpwz3\" data-start=\"515\" data-end=\"558\"\u003eSofter feel than most modern steel nibs\u003c\/li\u003e\n\u003cli data-section-id=\"189swph\" data-start=\"559\" data-end=\"624\"\u003eExcellent for modern calligraphic writing, sketching and ink shading\u003c\/li\u003e\n\u003cli data-section-id=\"hicafe\" data-start=\"625\" data-end=\"680\"\u003eAdds character to everyday handwriting\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"136ze3c\" data-start=\"742\" data-end=\"806\"\u003eA popular upgrade for compatible Jowo #5 or #5.5 fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1108\" data-end=\"1130\"\u003ePractical tips\u003c\/h3\u003e\n\u003cp data-start=\"1108\" data-end=\"1130\"\u003eFor best results, use wetter inks, fountain pen friendly paper and a slower writing speed with controlled pressure. This nib is designed for expressive writing, not rapid flex calligraphy. Let the nib open naturally rather than forcing it.\u003c\/p\u003e\n\u003ch3 data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eHow much line variation can it achieve? \u003c\/strong\u003eThe EF Ultra Flex nib typically writes a very fine extra-fine line with light pressure, increasing up to approx. 1.5-2mm under controlled flex\u003c\/p\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eWhich pens will it fit?\u003c\/strong\u003e The #5.5 EF Ultra Flex nib is commonly fitted to pens using #5 or #5.5 sized friction fit nib units. This includes Fountain Pen Revolution and TWSBI Diamond 580 pens, and can be adjusted to fit TWSBI Eco.\u003c\/p\u003e\n\u003cul data-start=\"1501\" data-end=\"1652\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1693\" data-end=\"1761\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow can I minimise ink railroading?\u003c\/strong\u003e Ultra flex nibs demand more ink than standard nibs. Pens with dry feeds may railroad or starve during heavy flexing. Use wet inks and a slow writing speed.\u003c\/p\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow do I fit the nib to my pen?\u003c\/strong\u003e Remove the old nib and feed together. Centre the new nib over the feed, ensuring the slit lines up with the ink channel and that the feed sits close beneath the nib. Push both back into the section until secure.\u003c\/p\u003e\n\u003ch3 data-start=\"1763\" data-end=\"1885\"\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003eFPR Stainless Steel nib x 1\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/blogs\/blogs\/smooth-writing-with-fountain-pens?_pos=2\u0026amp;_sid=a2392eaaf\u0026amp;_ss=r\"\u003eFree nib tuning\u003c\/a\u003e from LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePilot Iroshizuku\u003c\/li\u003e\n\u003cli\u003eSailor inks\u003c\/li\u003e\n\u003cli\u003eDe Atramentis Document inks for permanence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorks well with TWSBI Diamond 580 fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"4482\" data-start=\"4474\" data-section-id=\"xn2kfn\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"4895\" data-start=\"4484\"\u003e\n\u003cli data-end=\"4506\" data-start=\"4484\" data-section-id=\"1nl3gnz\"\u003e\n\u003cstrong data-end=\"4499\" data-start=\"4486\"\u003eNib size:\u003c\/strong\u003e #5.5\u003c\/li\u003e\n\u003cli data-end=\"4540\" data-start=\"4507\" data-section-id=\"83468e\"\u003e\n\u003cstrong data-end=\"4522\" data-start=\"4509\"\u003eNib type:\u003c\/strong\u003e EF Ultra Flex\u003c\/li\u003e\n\u003cli data-end=\"4574\" data-start=\"4541\" data-section-id=\"1bufnyy\"\u003e\n\u003cstrong data-end=\"4556\" data-start=\"4543\"\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli data-end=\"4622\" data-start=\"4575\" data-section-id=\"8xpu44\"\u003e\n\u003cstrong data-end=\"4588\" data-start=\"4577\"\u003eFinish:\u003c\/strong\u003e Polished silver \/ chrome finish\u003c\/li\u003e\n\u003cli data-end=\"4701\" data-start=\"4623\" data-section-id=\"1gtku1i\"\u003e\n\u003cstrong data-end=\"4644\" data-start=\"4625\"\u003eLine behaviour:\u003c\/strong\u003e From hairline to broad strokes (under pressure)\u003c\/li\u003e\n\u003cli data-end=\"4748\" data-start=\"4702\" data-section-id=\"y03t2n\"\u003e\n\u003cstrong data-end=\"4726\" data-start=\"4704\"\u003ePressure response:\u003c\/strong\u003e soft\u003c\/li\u003e\n\u003cli data-end=\"4834\" data-start=\"4749\" data-section-id=\"1mhl83d\"\u003e\n\u003cstrong data-end=\"4764\" data-start=\"4751\"\u003eBest use:\u003c\/strong\u003e Modern calligraphy\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"4895\" data-start=\"4835\" data-section-id=\"1dt1u6t\"\u003e\n\u003cstrong data-end=\"4849\" data-start=\"4837\"\u003eFit:\u003c\/strong\u003e Friction-fit #5\/#5.5 compatible fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis is the steel flex nib that actually flexes and snaps back into line.\u003c\/p\u003e","brand":"FPR","offers":[{"title":"Default Title","offer_id":42426542948434,"sku":"WFPR-5.5-EF-Ultra-Nib","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/FPR-_5.5-EF-Ultra-Flex-Nib-LarryPOST.png?v=1779947646"},{"product_id":"fpr-stainless-steel-nib-size-5-5-f-flex-nib-only","title":"FPR Stainless Steel Nib - Size #5.5 - F Flex (Nib Only)","description":"\u003ch2 data-end=\"291\" data-start=\"31\"\u003eAn easy way to add character to writing\u003c\/h2\u003e\n\u003cp data-end=\"291\" data-start=\"31\"\u003eTurn an ordinary fountain pen into a tool for adding personality to your writing and sketching. The FPR #5.5 F Flex nib delivers line variation with light pressure, giving you thin upstrokes and broad downstrokes from the same nib.\u003c\/p\u003e\n\u003cp data-end=\"440\" data-start=\"293\"\u003eDesigned for users who want softness and character without vintage level fragility, this nib rewards a gentle hand and slower, intentional writing.\u003c\/p\u003e\n\u003ch2 data-end=\"464\" data-start=\"442\" data-section-id=\"babg1j\"\u003eWhat set's it apart\u003c\/h2\u003e\n\u003cul data-end=\"806\" data-start=\"466\"\u003e\n\u003cli data-end=\"558\" data-start=\"515\" data-section-id=\"nbpwz3\"\u003eSofter feel than most modern steel nibs\u003c\/li\u003e\n\u003cli data-end=\"558\" data-start=\"515\" data-section-id=\"nbpwz3\"\u003eEasier to control than the EF Ultra Flex nib\u003c\/li\u003e\n\u003cli data-end=\"558\" data-start=\"515\" data-section-id=\"nbpwz3\"\u003eFine line width with natural variation under pressure\u003c\/li\u003e\n\u003cli data-end=\"624\" data-start=\"559\" data-section-id=\"189swph\"\u003eExcellent for expressive journaling, sketching and signatures\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"806\" data-start=\"742\" data-section-id=\"136ze3c\"\u003eA popular upgrade for compatible Jowo #5 or #5.5 fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1130\" data-start=\"1108\"\u003ePractical tips\u003c\/h3\u003e\n\u003cp data-end=\"1130\" data-start=\"1108\"\u003eRequires more pressure than the EF Ultra Flex nib, but is less demanding on feed flow and is easier to control for beginners.\u003c\/p\u003e\n\u003ch3 data-end=\"851\" data-start=\"808\" data-section-id=\"gdgzhd\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-end=\"851\" data-start=\"808\" data-section-id=\"gdgzhd\"\u003e\u003cstrong\u003eHow much line variation can it achieve? \u003c\/strong\u003eWrites a fine line under normal pressure and increased to approx. 1-1.5mm under controlled flex.\u003c\/p\u003e\n\u003cp data-end=\"851\" data-start=\"808\" data-section-id=\"gdgzhd\"\u003e\u003cstrong\u003eHow does it compare to the EF Ultra flex nib?\u003c\/strong\u003e It feels firmer, requires more pressure to spread the ties, produces less line variation, but is easier to use. The Ultra Flex nib has the additional cut aways in the nib shoulders to produce greater flex.\u003c\/p\u003e\n\u003cp data-end=\"851\" data-start=\"808\" data-section-id=\"gdgzhd\"\u003e\u003cstrong\u003eWhich pens will it fit?\u003c\/strong\u003e The #5.5 F Flex nib is commonly fitted to pens using #5 or #5.5 sized friction fit nib units. This includes Fountain Pen Revolution and TWSBI Diamond 580 pens, and can be adjusted to fit TWSBI Eco.\u003c\/p\u003e\n\u003cul data-end=\"1652\" data-start=\"1501\"\u003e\u003c\/ul\u003e\n\u003cul data-end=\"1761\" data-start=\"1693\"\u003e\u003c\/ul\u003e\n\u003cp data-end=\"1885\" data-start=\"1763\"\u003e\u003cstrong\u003eHow can I minimise ink railroading?\u003c\/strong\u003e Flex nibs demand more ink than standard nibs. Pens with dry feeds may railroad or starve during heavy flexing. Use wet inks and a slow writing speed.\u003c\/p\u003e\n\u003cp data-end=\"1885\" data-start=\"1763\"\u003e\u003cstrong\u003eHow do I fit the nib to my pen?\u003c\/strong\u003e Remove the old nib and feed together. Centre the new nib over the feed, ensuring the slit lines up with the ink channel and that the feed sits close beneath the nib. Push both back into the section until secure.\u003c\/p\u003e\n\u003ch3 data-end=\"1885\" data-start=\"1763\"\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1885\" data-start=\"1763\"\u003eFPR Stainless Steel nib x 1\u003cmeta charset=\"utf-8\"\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/blogs\/blogs\/smooth-writing-with-fountain-pens?_pos=2\u0026amp;_sid=a2392eaaf\u0026amp;_ss=r\"\u003eFree nib tuning\u003c\/a\u003e from LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePilot Iroshizuku\u003c\/li\u003e\n\u003cli\u003eSailor inks\u003c\/li\u003e\n\u003cli\u003eDe Atramentis Document inks for permanence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorks well with TWSBI Diamond 580 fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-start=\"4484\" data-end=\"4895\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1nl3gnz\" data-start=\"4484\" data-end=\"4506\"\u003e\n\u003cstrong data-start=\"4486\" data-end=\"4499\"\u003eNib size:\u003c\/strong\u003e #5.5\u003c\/li\u003e\n\u003cli data-section-id=\"83468e\" data-start=\"4507\" data-end=\"4540\"\u003e\n\u003cstrong data-start=\"4509\" data-end=\"4522\"\u003eNib type:\u003c\/strong\u003e F Flex\u003c\/li\u003e\n\u003cli data-section-id=\"1bufnyy\" data-start=\"4541\" data-end=\"4574\"\u003e\n\u003cstrong data-start=\"4543\" data-end=\"4556\"\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli data-section-id=\"8xpu44\" data-start=\"4575\" data-end=\"4622\"\u003e\n\u003cstrong data-start=\"4577\" data-end=\"4588\"\u003eFinish:\u003c\/strong\u003e Polished silver \/ chrome finish\u003c\/li\u003e\n\u003cli data-section-id=\"1gtku1i\" data-start=\"4623\" data-end=\"4701\"\u003e\n\u003cstrong data-start=\"4625\" data-end=\"4644\"\u003eLine behaviour:\u003c\/strong\u003e From thin to medium strokes (under pressure)\u003c\/li\u003e\n\u003cli data-section-id=\"y03t2n\" data-start=\"4702\" data-end=\"4748\"\u003e\n\u003cstrong data-start=\"4704\" data-end=\"4726\"\u003ePressure response:\u003c\/strong\u003e Moderate\u003c\/li\u003e\n\u003cli data-section-id=\"1mhl83d\" data-start=\"4749\" data-end=\"4834\"\u003e\n\u003cstrong data-start=\"4751\" data-end=\"4764\"\u003eBest use:\u003c\/strong\u003e Journaling, expressive writing, signatures\u003c\/li\u003e\n\u003cli data-section-id=\"1dt1u6t\" data-start=\"4835\" data-end=\"4895\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"4837\" data-end=\"4849\"\u003eFit:\u003c\/strong\u003e Friction-fit #5\/#5.5 compatible fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis nib is intended for expressive writing and moderate flex rather than extreme calligraphic variation.\u003c\/p\u003e","brand":"FPR","offers":[{"title":"Default Title","offer_id":42426670252114,"sku":"WFPR-5.5-F-Flex-Nib","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/FPR-_5.5-F-Flex-Nib-LarryPOST.png?v=1779948832"},{"product_id":"fpr-stainless-steel-nib-size-5-5-architect-nib-only","title":"FPR Stainless Steel Nib - Size #5.5 - Architect (Nib Only)","description":"\u003ch2 data-start=\"31\" data-end=\"291\"\u003eCreate an architect style script\u003c\/h2\u003e\n\u003cp data-end=\"314\" data-start=\"70\"\u003eThe FPR #5.5 Architect nib is a specialty nib designed to produce crisp horizontal strokes and fine vertical lines. The result is an architect style script that feels structured, and unusually graphic for everyday writing.\u003c\/p\u003e\n\u003cp data-end=\"405\" data-start=\"316\"\u003eIt is less about flexibility and more about control and contrast.\u003c\/p\u003e\n\u003ch2 data-section-id=\"babg1j\" data-start=\"442\" data-end=\"464\"\u003eWhat set's it apart\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduces sharp horizontal strokes and fine vertical strokes\u003c\/li\u003e\n\u003cli\u003eCreates natural calligraphic structure without pressure flexing\u003c\/li\u003e\n\u003cli\u003eExcellent for titles, headings, notes and design work\u003c\/li\u003e\n\u003cli\u003eAdds architectural character to everyday handwriting\u003c\/li\u003e\n\u003cli\u003eWorks well for slow writing styles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1108\" data-end=\"1130\"\u003ePractical tips\u003c\/h3\u003e\n\u003cp data-start=\"1108\" data-end=\"1130\"\u003e\u003cmeta charset=\"utf-8\"\u003eThis nib does not rely on pressure for line variation. Instead, it changes character based on writing direction.\u003c\/p\u003e\n\u003ch3 data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eHow does it work? \u003c\/strong\u003eThe architect nib is directional, not pressure based. For a right hander it writes thin verticals and broad horizontal strokes. Reversed for left handers.\u003c\/p\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eHow does it compare to the EF Ultra Flex?\u003c\/strong\u003e The Architect variation is direction based, where the Ultra flex is pressure based. No pressure is required for the Architect nib and the lines are very crisp and controlled.\u003c\/p\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eWhich pens will it fit?\u003c\/strong\u003e The #5.5 Architect nib is commonly fitted to pens using #5 or #5.5 sized friction fit nib units. This includes Fountain Pen Revolution and TWSBI Diamond 580 pens, and can be adjusted to fit TWSBI Eco.\u003c\/p\u003e\n\u003cul data-start=\"1501\" data-end=\"1652\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1693\" data-end=\"1761\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow do I fit the nib to my pen?\u003c\/strong\u003e Remove the old nib and feed together. Centre the new nib over the feed, ensuring the slit lines up with the ink channel and that the feed sits close beneath the nib. Push both back into the section until secure. Test with directional strokes.\u003c\/p\u003e\n\u003ch3 data-start=\"1763\" data-end=\"1885\"\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003eFPR Stainless Steel nib x 1\u003c\/li\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/blogs\/blogs\/smooth-writing-with-fountain-pens?_pos=2\u0026amp;_sid=a2392eaaf\u0026amp;_ss=r\"\u003eFree nib tuning\u003c\/a\u003e from LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePilot Iroshizuku\u003c\/li\u003e\n\u003cli\u003eSailor inks\u003c\/li\u003e\n\u003cli\u003eDe Atramentis Document inks for permanence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorks well with TWSBI Diamond 580 fountain pens\u003c\/li\u003e\n\u003cli\u003ePair with notebooks with structured layouts (eg. grid, dot format)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"4482\" data-start=\"4474\" data-section-id=\"xn2kfn\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"4895\" data-start=\"4484\"\u003e\n\u003cli data-end=\"4506\" data-start=\"4484\" data-section-id=\"1nl3gnz\"\u003e\n\u003cstrong data-end=\"4499\" data-start=\"4486\"\u003eNib size:\u003c\/strong\u003e #5.5\u003c\/li\u003e\n\u003cli data-end=\"4540\" data-start=\"4507\" data-section-id=\"83468e\"\u003e\n\u003cstrong data-end=\"4522\" data-start=\"4509\"\u003eNib type:\u003c\/strong\u003e Architect grind\u003c\/li\u003e\n\u003cli data-end=\"4574\" data-start=\"4541\" data-section-id=\"1bufnyy\"\u003e\n\u003cstrong data-end=\"4556\" data-start=\"4543\"\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli data-end=\"4622\" data-start=\"4575\" data-section-id=\"8xpu44\"\u003e\n\u003cstrong data-end=\"4588\" data-start=\"4577\"\u003eFinish:\u003c\/strong\u003e Polished silver \/ chrome finish\u003c\/li\u003e\n\u003cli data-end=\"4701\" data-start=\"4623\" data-section-id=\"1gtku1i\"\u003e\n\u003cstrong data-end=\"4644\" data-start=\"4625\"\u003eLine behaviour:\u003c\/strong\u003e Fine vertical \/ broad horizontal strokes (directional)\u003c\/li\u003e\n\u003cli data-end=\"4748\" data-start=\"4702\" data-section-id=\"y03t2n\"\u003e\n\u003cstrong data-end=\"4726\" data-start=\"4704\"\u003ePressure response:\u003c\/strong\u003e None (non-flex nib)\u003c\/li\u003e\n\u003cli data-end=\"4834\" data-start=\"4749\" data-section-id=\"1mhl83d\"\u003e\n\u003cstrong data-end=\"4764\" data-start=\"4751\"\u003eBest use:\u003c\/strong\u003e Structured handwriting, design notes, journalling, creative layouts\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"4895\" data-start=\"4835\" data-section-id=\"1dt1u6t\"\u003e\n\u003cstrong data-end=\"4849\" data-start=\"4837\"\u003eFit:\u003c\/strong\u003e Friction-fit #5\/#5.5 compatible fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eA unique alternative to standard round nibs.\u003cbr\u003e\u003c\/p\u003e","brand":"FPR","offers":[{"title":"Default Title","offer_id":42426729267282,"sku":"WFPR-5.5-Architect-Nib","price":19.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/FPR-_5.5-Architect-Nib-LarryPOST.png?v=1779949809"},{"product_id":"fpr-stainless-steel-nib-size-6-ef-flex-nib-only","title":"FPR Stainless Steel Nib - Size #6 - EF Flex (Nib Only)","description":"\u003ch2 data-start=\"31\" data-end=\"291\"\u003eExpressive writing with everyday usability\u003c\/h2\u003e\n\u003cp data-end=\"359\" data-start=\"79\"\u003eThe FPR #6 EF Flex nib is designed for writers who want expressive line variation without jumping straight into ultra flex territory. It delivers a fine, precise base line with controlled flex response, making it one of the most versatile entry points into pressure based writing.\u003c\/p\u003e\n\u003cp data-end=\"482\" data-start=\"361\"\u003eCompared to ultra flex nibs, this is more stable, more forgiving, and easier to integrate into everyday writing routines.\u003c\/p\u003e\n\u003ch2 data-section-id=\"babg1j\" data-start=\"442\" data-end=\"464\"\u003eWhat set's it apart\u003c\/h2\u003e\n\u003cul data-start=\"466\" data-end=\"806\"\u003e\n\u003cli data-section-id=\"nbpwz3\" data-start=\"515\" data-end=\"558\"\u003eFine writing line with controlled flex expression\u003c\/li\u003e\n\u003cli data-section-id=\"nbpwz3\" data-start=\"515\" data-end=\"558\"\u003eEasier to control than the EF Ultra Flex nib\u003c\/li\u003e\n\u003cli data-section-id=\"nbpwz3\" data-start=\"515\" data-end=\"558\"\u003eIdeal balance between precision and expression\u003c\/li\u003e\n\u003cli data-section-id=\"189swph\" data-start=\"559\" data-end=\"624\"\u003eExcellent for journaling, signatures, and expressive notes\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"136ze3c\" data-start=\"742\" data-end=\"806\"\u003eA popular upgrade for compatible Jowo #6 fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1108\" data-end=\"1130\"\u003ePractical tips\u003c\/h3\u003e\n\u003cp data-start=\"1108\" data-end=\"1130\"\u003e\u003cmeta charset=\"utf-8\"\u003eUse this nib for expression on demand, rather than constant pressure control.\u003c\/p\u003e\n\u003ch3 data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eHow much line variation can it achieve? \u003c\/strong\u003eWrites a very fine line under normal pressure and increased to approx. 1-1.5mm under controlled flex.\u003c\/p\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eHow does it compare to the EF Ultra flex nib?\u003c\/strong\u003e It provides a similar line under normal pressure, but not as much flex under pressure. This makes it easier to use and more suited to daily writing.\u003c\/p\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eWhich pens will it fit?\u003c\/strong\u003e The #6 EF Flex nib is commonly fitted to pens using #6 sized friction fit nib units. This includes Fountain Pen Revolution, OPUS 88 and TWSBI 700R Vac.\u003c\/p\u003e\n\u003cul data-start=\"1501\" data-end=\"1652\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1693\" data-end=\"1761\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow can I minimise ink railroading?\u003c\/strong\u003e Flex nibs demand more ink than standard nibs. Pens with dry feeds may railroad or starve during heavy flexing. Use wet inks and a slow writing speed.\u003c\/p\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow do I fit the nib to my pen?\u003c\/strong\u003e Remove the old nib and feed together. Centre the new nib over the feed, ensuring the slit lines up with the ink channel and that the feed sits close beneath the nib. Push both back into the section until secure.\u003c\/p\u003e\n\u003ch3 data-start=\"1763\" data-end=\"1885\"\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003eFPR Stainless Steel nib x 1\u003c\/li\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/blogs\/blogs\/smooth-writing-with-fountain-pens?_pos=2\u0026amp;_sid=a2392eaaf\u0026amp;_ss=r\"\u003eFree nib tuning\u003c\/a\u003e from LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePilot Iroshizuku\u003c\/li\u003e\n\u003cli\u003eSailor inks\u003c\/li\u003e\n\u003cli\u003eDe Atramentis Document inks for permanence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorks well with TWSBI 580 or OPUS 88 size #12 fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"4895\" data-start=\"4484\"\u003e\n\u003cli data-end=\"4506\" data-start=\"4484\" data-section-id=\"1nl3gnz\"\u003e\n\u003cstrong data-end=\"4499\" data-start=\"4486\"\u003eNib size:\u003c\/strong\u003e #6\u003c\/li\u003e\n\u003cli data-end=\"4540\" data-start=\"4507\" data-section-id=\"83468e\"\u003e\n\u003cstrong data-end=\"4522\" data-start=\"4509\"\u003eNib type:\u003c\/strong\u003e EF Flex\u003c\/li\u003e\n\u003cli data-end=\"4574\" data-start=\"4541\" data-section-id=\"1bufnyy\"\u003e\n\u003cstrong data-end=\"4556\" data-start=\"4543\"\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli data-end=\"4622\" data-start=\"4575\" data-section-id=\"8xpu44\"\u003e\n\u003cstrong data-end=\"4588\" data-start=\"4577\"\u003eFinish:\u003c\/strong\u003e Polished silver \/ chrome finish\u003c\/li\u003e\n\u003cli data-end=\"4701\" data-start=\"4623\" data-section-id=\"1gtku1i\"\u003e\n\u003cstrong data-end=\"4644\" data-start=\"4625\"\u003eLine behaviour:\u003c\/strong\u003e From very thin to medium strokes (under pressure)\u003c\/li\u003e\n\u003cli data-end=\"4748\" data-start=\"4702\" data-section-id=\"y03t2n\"\u003e\n\u003cstrong data-end=\"4726\" data-start=\"4704\"\u003ePressure response:\u003c\/strong\u003e Moderate\u003c\/li\u003e\n\u003cli data-end=\"4834\" data-start=\"4749\" data-section-id=\"1mhl83d\"\u003e\n\u003cstrong data-end=\"4764\" data-start=\"4751\"\u003eBest use:\u003c\/strong\u003e Journaling, expressive writing, signatures\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"4895\" data-start=\"4835\" data-section-id=\"1dt1u6t\"\u003e\n\u003cstrong data-end=\"4849\" data-start=\"4837\"\u003eFit:\u003c\/strong\u003e Friction fit #6 compatible fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis nib is often the sweet spot for people who want flex without headache.\u003c\/p\u003e","brand":"FPR","offers":[{"title":"Default Title","offer_id":42426912571474,"sku":"WFPR-5.5-F-Flex-Nib","price":19.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/FPR-_6-Flex-Nib-LarryPOST.png?v=1779951977"},{"product_id":"fpr-stainless-steel-nib-size-6-ef-ultra-flex-nib-only","title":"FPR Stainless Steel Nib - Size #6 - EF Ultra Flex (Nib Only)","description":"\u003ch2 data-start=\"31\" data-end=\"291\"\u003eMaximum expression from a steel flex nib\u003c\/h2\u003e\n\u003cp data-start=\"31\" data-end=\"291\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe FPR #6 EF Ultra Flex nib is designed for serious expressive writing. It delivers an extra fine hairline under light pressure and opens into broad, dramatic strokes with controlled flex. This is one of the most responsive steel flex nibs available, built for users who want vintage style expression without using vintage nibs.\u003c\/p\u003e\n\u003ch2 data-section-id=\"babg1j\" data-start=\"442\" data-end=\"464\"\u003eWhat set's it apart\u003c\/h2\u003e\n\u003cul data-start=\"466\" data-end=\"806\"\u003e\n\u003cli data-section-id=\"g8elzy\" data-start=\"546\" data-end=\"602\"\u003eExtreme line variation from hairline to broad stroke\u003c\/li\u003e\n\u003cli data-section-id=\"tht5hx\" data-start=\"603\" data-end=\"650\"\u003eVery light pressure needed to activate flex\u003c\/li\u003e\n\u003cli data-section-id=\"19c1soj\" data-start=\"651\" data-end=\"720\"\u003eExcellent for calligraphy, expressive journalling and flourishing\u003c\/li\u003e\n\u003cli data-section-id=\"h9372i\" data-start=\"721\" data-end=\"764\"\u003eFine baseline line for detailed writing\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"99o2n1\" data-start=\"819\" data-end=\"876\"\u003eStrong ink response for dramatic shading and contrast\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1108\" data-end=\"1130\"\u003ePractical tips\u003c\/h3\u003e\n\u003cp data-start=\"1108\" data-end=\"1130\"\u003eFor best results, use wetter inks, fountain pen friendly paper and a slower writing speed with controlled pressure. \u003c\/p\u003e\n\u003ch3 data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eHow much line variation can it achieve? \u003c\/strong\u003eThe EF Ultra Flex nib typically writes a very fine extra fine line with light pressure, increasing up to approx. 2-3mm under controlled flex\u003c\/p\u003e\n\u003cp data-section-id=\"gdgzhd\" data-start=\"808\" data-end=\"851\"\u003e\u003cstrong\u003eWhich pens will it fit?\u003c\/strong\u003e The #6 EF Ultra Flex nib is commonly fitted to pens using #6 sized friction fit nib units. This includes Fountain Pen Revolution, OPUS 88 size #12 pens and TWSBI 700R Vac pens.\u003c\/p\u003e\n\u003cul data-start=\"1501\" data-end=\"1652\"\u003e\u003c\/ul\u003e\n\u003cul data-start=\"1693\" data-end=\"1761\"\u003e\u003c\/ul\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow can I minimise ink railroading?\u003c\/strong\u003e Ultra flex nibs demand more ink than standard nibs. Pens with dry feeds may railroad or starve during heavy flexing. Use wet inks and a slow writing speed.\u003c\/p\u003e\n\u003cp data-start=\"1763\" data-end=\"1885\"\u003e\u003cstrong\u003eHow do I fit the nib to my pen?\u003c\/strong\u003e Remove the old nib and feed together. Centre the new nib over the feed, ensuring the slit lines up with the ink channel and that the feed sits close beneath the nib. Push both back into the section until secure.\u003c\/p\u003e\n\u003ch3 data-start=\"1763\" data-end=\"1885\"\u003eWhat's included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003eFPR Stainless Steel nib x 1\u003c\/li\u003e\n\u003cli data-start=\"1763\" data-end=\"1885\"\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/blogs\/blogs\/smooth-writing-with-fountain-pens?_pos=2\u0026amp;_sid=a2392eaaf\u0026amp;_ss=r\"\u003eFree nib tuning\u003c\/a\u003e from LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePilot Iroshizuku\u003c\/li\u003e\n\u003cli\u003eSailor inks\u003c\/li\u003e\n\u003cli\u003eDe Atramentis Document inks for permanence\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWorks well with OPUS 88 size #12 pens and TWSBI 700R fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"4482\" data-start=\"4474\" data-section-id=\"xn2kfn\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul data-is-only-node=\"\" data-is-last-node=\"\" data-end=\"4895\" data-start=\"4484\"\u003e\n\u003cli data-end=\"4506\" data-start=\"4484\" data-section-id=\"1nl3gnz\"\u003e\n\u003cstrong data-end=\"4499\" data-start=\"4486\"\u003eNib size:\u003c\/strong\u003e #6\u003c\/li\u003e\n\u003cli data-end=\"4540\" data-start=\"4507\" data-section-id=\"83468e\"\u003e\n\u003cstrong data-end=\"4522\" data-start=\"4509\"\u003eNib type:\u003c\/strong\u003e EF Ultra Flex\u003c\/li\u003e\n\u003cli data-end=\"4574\" data-start=\"4541\" data-section-id=\"1bufnyy\"\u003e\n\u003cstrong data-end=\"4556\" data-start=\"4543\"\u003eMaterial:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli data-end=\"4622\" data-start=\"4575\" data-section-id=\"8xpu44\"\u003e\n\u003cstrong data-end=\"4588\" data-start=\"4577\"\u003eFinish:\u003c\/strong\u003e Polished silver \/ chrome finish\u003c\/li\u003e\n\u003cli data-end=\"4701\" data-start=\"4623\" data-section-id=\"1gtku1i\"\u003e\n\u003cstrong data-end=\"4644\" data-start=\"4625\"\u003eLine behaviour:\u003c\/strong\u003e From hairline to broad strokes (under pressure)\u003c\/li\u003e\n\u003cli data-end=\"4748\" data-start=\"4702\" data-section-id=\"y03t2n\"\u003e\n\u003cstrong data-end=\"4726\" data-start=\"4704\"\u003ePressure response:\u003c\/strong\u003e Soft\u003c\/li\u003e\n\u003cli data-end=\"4834\" data-start=\"4749\" data-section-id=\"1mhl83d\"\u003e\n\u003cstrong data-end=\"4764\" data-start=\"4751\"\u003eBest use:\u003c\/strong\u003e Modern calligraphy\u003c\/li\u003e\n\u003cli data-is-last-node=\"\" data-end=\"4895\" data-start=\"4835\" data-section-id=\"1dt1u6t\"\u003e\n\u003cstrong data-end=\"4849\" data-start=\"4837\"\u003eFit:\u003c\/strong\u003e Friction-fit #6 compatible fountain pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eA nib that is capable of dramatic results, through technique, not force.\u003c\/p\u003e","brand":"FPR","offers":[{"title":"Default Title","offer_id":42426995277906,"sku":"WFPR-6-EF-Ultra-Nib","price":39.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/FPR-_6-EF-Flex-Nib-LarryPOST.png?v=1779951612"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/collections\/FPR-Replacement-Nibs.png?v=1783836712","url":"https:\/\/www.larrypost.com.au\/collections\/fpr-nibs.oembed","provider":"LarryPOST","version":"1.0","type":"link"}