{"product_id":"twsbi-diamond-580rbt-fountain-pen-red-blue-transparent","title":"TWSBI Diamond 580RBT Fountain Pen - Red \/ Blue \/ Transparent","description":"\u003ch2 data-start=\"44\" data-end=\"131\"\u003eThe lightest of the Diamond 580 pens\u003c\/h2\u003e\n\u003cp data-start=\"41\" data-end=\"338\"\u003eThe TWSBI Diamond 580 is the original expression of the Diamond series, built around a traditional piston filler and a full demonstrator design that puts the internal mechanics on display. With a clear view of ink movement and the filling system, it brings you closer to the act of writing itself.\u003c\/p\u003e\n\u003cp data-start=\"340\" data-end=\"561\"\u003eThis model reflects the foundation of TWSBI’s design philosophy, with a lighter construction than the AL and ALR variants, making it especially suited to longer writing sessions. Also available as a \u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-art-supplies-sketch-kits\/products\/twsbi-diamond-sketch-kit-red-blue-fine-da-doc-ink\"\u003esketching kit.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"407\" data-end=\"430\"\u003eWhat sets it apart\u003c\/h2\u003e\n\u003cul data-start=\"432\" data-end=\"1080\"\u003e\n\u003cli data-start=\"432\" data-end=\"614\"\u003eFull demonstrator design showing ink colour, movement and level\u003c\/li\u003e\n\u003cli data-start=\"432\" data-end=\"614\"\u003eComfortable grip section (narrower than Eco) for long writing sessions\u003c\/li\u003e\n\u003cli data-start=\"432\" data-end=\"614\"\u003eReliable TWSBI piston, with double the capacity of converter pens\u003cbr data-start=\"460\" data-end=\"463\"\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"734\" data-end=\"863\"\u003eCartridge-free, but still easy to use\u003c\/li\u003e\n\u003cli data-start=\"734\" data-end=\"863\"\u003eDesigned to be disassembled, giving you control over maintenance\u003c\/li\u003e\n\u003cli data-start=\"865\" data-end=\"989\"\u003eScrew off nib unit, for easy nib changes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1082\" data-end=\"1108\"\u003eFeel in the hand\u003c\/h3\u003e\n\u003cp data-start=\"1110\" data-end=\"1278\"\u003e\u003cmeta charset=\"utf-8\"\u003eWhen you can see the ink move, filling the pen becomes part of the writing ritual rather than a separate task. It slows the process just enough to set the tone before you begin. \u003cmeta charset=\"utf-8\"\u003eWriting feels more intentional, as though the pen helps you settle into the session.\u003c\/p\u003e\n\u003ch3 data-start=\"1082\" data-end=\"1108\"\u003eWho it's for\u003c\/h3\u003e\n\u003cul data-start=\"1299\" data-end=\"1540\"\u003e\n\u003cli data-start=\"1299\" data-end=\"1359\"\u003ePeople upgrading from entry level fountain pens like Eco\u003c\/li\u003e\n\u003cli data-start=\"1360\" data-end=\"1435\"\u003ePeople planning to use their pen for long writing sessions\u003c\/li\u003e\n\u003cli data-start=\"1360\" data-end=\"1435\"\u003eInk explorers who want to see more of their ink\u003c\/li\u003e\n\u003cli data-start=\"1436\" data-end=\"1497\"\u003eWriters who enjoy mechanical interaction with their tools\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1540\"\u003eAnyone trying to build a daily writing practice\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1542\" data-end=\"1563\"\u003eNot for\u003c\/h3\u003e\n\u003cul data-start=\"1565\" data-end=\"1740\"\u003e\n\u003cli data-start=\"1616\" data-end=\"1674\"\u003ePeople who prefer opaque designs that hide the ink\u003c\/li\u003e\n\u003cli data-start=\"1616\" data-end=\"1674\"\u003eUsers who want zero maintenance\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1616\" data-end=\"1674\"\u003eHeavy handed users who need an indestructible pen design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2039\" data-end=\"2058\"\u003ePractical tips\u003c\/h3\u003e\n\u003cul data-start=\"2060\" data-end=\"2288\"\u003e\n\u003cli data-start=\"2060\" data-end=\"2121\"\u003eIf you spill ink in the pen cap, use an elastic band wrapped around the end of a pencil to remove the inner cap for cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"2290\" data-end=\"2299\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-start=\"2301\" data-end=\"2390\"\u003e\u003cstrong\u003eIs this beginner-friendly?\u003c\/strong\u003e\u003cbr data-start=\"2327\" data-end=\"2330\"\u003eYes, you dial in the ink at a controlled pace, and will be writing for a couple of weeks before you have to refill. The pen box includes filling instructions.\u003c\/p\u003e\n\u003cp data-start=\"2392\" data-end=\"2479\"\u003e\u003cstrong\u003eHow much ink does it hold?\u003c\/strong\u003e\u003cbr data-start=\"2418\" data-end=\"2421\"\u003eThe chamber can hold up to 1.9mL, which is 2-3 times a cartridge or converter.\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"2558\"\u003e\u003cstrong\u003eHow does it compare to Twsbi Eco?\u003cbr\u003e\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003eThe Diamond 580 offers a more refined grip, a screw-in nib unit, and a more premium writing feel. The Eco is simpler, lighter, and more entry-focused.\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"2558\"\u003e\u003cstrong\u003eWhat's the difference between 580, 580AL and 580ALR?\u003cbr\u003e\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003e580 is the base model. AL adds aluminium parts. ALR adds ribbing on the grip for extra control. Most current releases are ALR-based.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"2481\" data-end=\"2558\"\u003e\u003cstrong\u003eCan you change nibs?\u003c\/strong\u003e\u003cbr data-start=\"2501\" data-end=\"2504\"\u003e\u003cmeta charset=\"utf-8\"\u003eYes. The nib unit is fully replaceable and can be swapped even when inked.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"2560\" data-end=\"2614\"\u003e\u003cstrong\u003eDoes it come with ink?\u003cbr\u003e\u003c\/strong\u003e\u003cmeta charset=\"utf-8\"\u003eNo. It is designed for bottled fountain pen inks only.\u003c\/p\u003e\n\u003cp data-start=\"2560\" data-end=\"2614\"\u003e\u003cstrong\u003eIs it fragile?\u003c\/strong\u003e\u003cbr\u003eNot with the right care. Avoid over tightening the cap during daily use and minimise how often you disassemble the pen. \u003c\/p\u003e\n\u003cp data-start=\"2560\" data-end=\"2614\"\u003e\u003cstrong\u003eHow do you clean it?\u003c\/strong\u003e\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003eRoutine flushing with water is sufficient. Full piston lubrication is only needed occasionally over long-term use.\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-start=\"2616\" data-end=\"2636\"\u003eWhat’s included\u003c\/h3\u003e\n\u003cul data-start=\"2638\" data-end=\"2748\"\u003e\n\u003cli data-start=\"2638\" data-end=\"2678\"\u003eTWSBI Diamond 580RBT Fountain Pen\u003c\/li\u003e\n\u003cli data-start=\"2679\" data-end=\"2700\"\u003eWrench\u003c\/li\u003e\n\u003cli data-start=\"2679\" data-end=\"2700\"\u003eSilicone grease\u003c\/li\u003e\n\u003cli data-start=\"2679\" data-end=\"2700\"\u003ePresentation box\u003c\/li\u003e\n\u003cli data-start=\"2679\" data-end=\"2700\"\u003eInstructions leaflet\u003c\/li\u003e\n\u003cli data-start=\"2701\" data-end=\"2748\"\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 tuning option\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efrom LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-start=\"1742\" data-end=\"1770\"\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cul data-start=\"1772\" data-end=\"1953\"\u003e\n\u003cli data-start=\"1772\" data-end=\"1842\"\u003eAny fountain pen ink will work\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1842\"\u003eVibrant inks to show off colour in the barrel\u003c\/li\u003e\n\u003cli data-start=\"1772\" data-end=\"1842\"\u003eDye-rich\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-brands-pilot-pen?filter.p.m.magento.brand_series=PILOT+Iroshizuku\"\u003ePilot Iroshizuku inks\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003ereliably flow well in Twsbi pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"yfki9c\" data-start=\"2861\" data-end=\"2872\"\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUse with the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-brands-twsbi?filter.p.product_type=Fountain+Pen+Ink+Well\"\u003eTwsbi Diamond Ink Well\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor mess free filling\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-brands-twsbi?filter.p.m.magento.brand_series=TWSBI+Eco\u0026amp;filter.p.product_type=Fountain+Pen+Replacement+Nib\"\u003eReplacement Diamond 580 nibs\u003c\/a\u003e, for exploring line width \u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/www.larrypost.com.au\/collections\/larrypost-brands-de-atramentis?filter.p.product_type=Waterproof+Bottled+Ink\"\u003eDe Atramentis Document ink\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003efor permanence\u003c\/li\u003e\n\u003cli data-handle=\"twsbi-pipe-needle-attachment-for-refilling-fountain-pens\"\u003e\n\u003ca data-bss-pl=\"active\" href=\"https:\/\/www.larrypost.com.au\/products\/twsbi-pipe-needle-attachment-for-refilling-fountain-pens?_pos=1\u0026amp;_sid=4c8088925\u0026amp;_ss=r\"\u003eTwsbi Pipe\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eis an attachment to fill from an almost empty ink bottle\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-section-id=\"yfki9c\" data-start=\"2783\" data-end=\"2794\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-start=\"2795\" data-end=\"3057\"\u003e\n\u003cstrong\u003eBrand:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eTWSBI\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"3057\"\u003e\n\u003cstrong\u003eBrand series:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eDiamond 580\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"3057\"\u003e\n\u003cstrong\u003eLaunch:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e2012\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"3057\"\u003e\n\u003cstrong\u003eOrigin:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eTaiwan\u003c\/li\u003e\n\u003cli data-start=\"2795\" data-end=\"3057\"\u003e\n\u003cstrong\u003eNib:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNib sizes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEF, F, M, B, 1.1 \u0026amp; 1.5mm stubs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilling system:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePiston filler (1.9mL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTransparent polycarbonate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTrim:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCap:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwist\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprox. 10mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiametre:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprox. 13mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprox. 142mm (capped)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: approx. 26g (capped)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComparable size:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003eLamy Safari, Pilot Metropolitan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3095\" data-end=\"3188\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eA pen that celebrates TWSBI's origin story of bringing you closer to writing.\u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/YSamorKdyIg?rel=0\u0026amp;controls=0\u0026amp;showinfo=0\" height=\"180\" width=\"320\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":42388747288658,"sku":"WTWSBI-M7446050-4711467446053","price":109.95,"currency_code":"AUD","in_stock":true},{"title":"Fine","offer_id":42388747321426,"sku":"WTWSBI-M7446060-4711467446060","price":109.95,"currency_code":"AUD","in_stock":false},{"title":"Medium","offer_id":42388747354194,"sku":"WTWSBI-M7446070-4711467446077","price":109.95,"currency_code":"AUD","in_stock":true},{"title":"Broad","offer_id":42388747386962,"sku":"WTWSBI-M7446080-4711467446084","price":109.95,"currency_code":"AUD","in_stock":true},{"title":"1.1mm Stub","offer_id":42388747419730,"sku":"WTWSBI-M7446090","price":109.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/twsbi-580rbt_1_2.jpg?v=1739176551","url":"https:\/\/www.larrypost.com.au\/products\/twsbi-diamond-580rbt-fountain-pen-red-blue-transparent","provider":"LarryPOST","version":"1.0","type":"link"}