{"product_id":"twsbi-diamond-mini-clear-fountain-pen-clear","title":"TWSBI Diamond Mini Clear Fountain Pen - Clear","description":"\u003ch2 data-end=\"114\" data-start=\"54\"\u003eThe lightest Diamond Mini\u003c\/h2\u003e\n\u003cp data-end=\"480\" data-start=\"116\"\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eTWSBI\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eDiamond Mini Clear takes the transparent mechanical appeal of the Diamond 580 series and makes it fully portable.  \u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eThe transparent barrel keeps the pen visually alive with your ink choice, while the smaller proportions make it feel more personal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-end=\"649\" data-start=\"482\"\u003eBuilt around TWSBI’s reliable piston filling system and fitted with a smooth stainless steel nib, this is a compact fountain pen that still feels complete in the hand.\u003c\/p\u003e\n\u003ch2 data-end=\"672\" data-start=\"651\"\u003eWhat sets it apart\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli data-end=\"1050\" data-start=\"674\"\u003eCompact piston filler with high ink capacity for its size\u003cbr data-end=\"783\" data-start=\"780\"\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1050\" data-start=\"674\"\u003eTransparent barrel showcases ink colour and movement\u003c\/li\u003e\n\u003cli data-end=\"1050\" data-start=\"674\"\u003eFaceted design provides structure and prevents desk roll\u003c\/li\u003e\n\u003cli data-end=\"1050\" data-start=\"674\"\u003ePosts securely to become a comfortable full length writer\u003c\/li\u003e\n\u003cli data-end=\"1050\" data-start=\"674\"\u003eShares the reliable stainless steel nib from Eco\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1071\" data-start=\"1052\"\u003eFeel in the hand\u003c\/h3\u003e\n\u003cp data-end=\"1232\" data-start=\"1035\"\u003e\u003cmeta charset=\"utf-8\"\u003ePosted, it becomes balanced and surprisingly capable for long writing sessions. Unposted, it slips easily into pockets, travel bags, sketch kits, and notebook covers.\u003c\/p\u003e\n\u003ch3 data-end=\"1483\" data-start=\"1468\"\u003eWho it’s for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1784\" data-start=\"1485\"\u003eWriters wanting a compact pen without sacrificing capacity\u003c\/li\u003e\n\u003cli data-end=\"1784\" data-start=\"1485\"\u003eUsers with smaller hands who find full size pens oversized\u003cbr data-start=\"1574\" data-end=\"1577\"\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1784\" data-start=\"1485\"\u003eTravellers and everyday carry users\u003c\/li\u003e\n\u003cli data-end=\"1784\" data-start=\"1485\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eSketchers building lightweight portable kits\u003c\/li\u003e\n\u003cli data-end=\"1784\" data-start=\"1485\"\u003e\n\u003cp data-end=\"1691\" data-start=\"1382\"\u003eAnyone building a cleaner, more minimal writing setup\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"1796\" data-start=\"1786\"\u003eNot for\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"1990\" data-start=\"1798\"\u003eUsers who prefer large, heavier pens\u003c\/li\u003e\n\u003cli data-end=\"1990\" data-start=\"1798\"\u003eWriters wanting cartridge\/converter convenience\u003c\/li\u003e\n\u003cli data-end=\"1990\" data-start=\"1798\"\u003ePeople who dislike posting smaller pens\u003c\/li\u003e\n\u003cli data-end=\"1990\" data-start=\"1798\"\u003eAnyone wanting a completely maintenance free writing system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2009\" data-start=\"1992\"\u003ePractical tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"2169\" data-start=\"2011\"\u003eThe Diamond Mini is designed to post securely by threading onto the back of the barrel. Most users will prefer writing with it posted for full length balance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"2350\" data-start=\"2343\"\u003eFAQs\u003c\/h3\u003e\n\u003cp data-end=\"2476\" data-start=\"2352\"\u003e\u003cstrong\u003eIs this beginner-friendly?\u003c\/strong\u003e\u003cbr data-end=\"2381\" data-start=\"2378\"\u003eYes. The piston system is straightforward to use and the pen box includes filling instructions.\u003c\/p\u003e\n\u003cp data-end=\"2637\" data-start=\"2478\"\u003e\u003cstrong\u003eHow much ink does it hold?\u003c\/strong\u003e\u003cbr data-end=\"2507\" data-start=\"2504\"\u003eThe chamber holds approximately 1.3mL of ink, which is still significantly more than most converter pens despite the smaller body.\u003c\/p\u003e\n\u003cp data-end=\"2857\" data-start=\"2639\"\u003e\u003cstrong\u003eHow does it compare to the Diamond 580?\u003c\/strong\u003e\u003cbr data-end=\"2681\" data-start=\"2678\"\u003eThe Mini is shorter and more portable, with slightly lower capacity. Posted, it becomes close to a full size writer. The 580 feels larger in the hand and holds more ink.\u003c\/p\u003e\n\u003cp data-end=\"2979\" data-start=\"2859\"\u003e\u003cstrong\u003eDoes the cap post securely?\u003c\/strong\u003e\u003cbr data-end=\"2889\" data-start=\"2886\"\u003eYes. The cap threads onto the back of the pen for a very stable posted writing experience.\u003c\/p\u003e\n\u003cp data-end=\"3051\" data-start=\"2981\"\u003e\u003cstrong\u003eCan you change nibs?\u003c\/strong\u003e\u003cbr data-end=\"3004\" data-start=\"3001\"\u003eYes. The nib unit is removable and replaceable.\u003c\/p\u003e\n\u003cp data-end=\"3119\" data-start=\"3053\"\u003e\u003cstrong\u003eDoes it come with ink?\u003c\/strong\u003e\u003cbr data-end=\"3078\" data-start=\"3075\"\u003eNo. Bottled fountain pen ink is required.\u003c\/p\u003e\n\u003cp data-end=\"3237\" data-start=\"3121\"\u003e\u003cstrong\u003eIs it fragile?\u003c\/strong\u003e\u003cbr data-end=\"3145\" data-start=\"3142\"\u003eNot with normal use. Avoid over tightening the cap and minimise unnecessary disassembly.\u003c\/p\u003e\n\u003cp data-end=\"3404\" data-start=\"3239\"\u003e\u003cstrong\u003eHow do you clean it?\u003c\/strong\u003e\u003cbr data-end=\"3262\" data-start=\"3259\"\u003eRoutine cleaning only requires flushing water through the nib and barrel. Full disassembly is only needed occasionally for piston lubrication.\u003c\/p\u003e\n\u003ch3 data-end=\"3424\" data-start=\"3406\"\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"3579\" data-start=\"3426\"\u003eTWSBI Diamond Mini Clear Fountain Pen\u003c\/li\u003e\n\u003cli data-end=\"3579\" data-start=\"3426\"\u003eWrench\u003c\/li\u003e\n\u003cli data-end=\"3579\" data-start=\"3426\"\u003eSilicone grease\u003c\/li\u003e\n\u003cli data-end=\"3579\" data-start=\"3426\"\u003ePresentation box\u003c\/li\u003e\n\u003cli data-end=\"3579\" data-start=\"3426\"\u003eInstruction leaflet\u003c\/li\u003e\n\u003cli data-end=\"3579\" data-start=\"3426\"\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\u003cspan\u003e \u003c\/span\u003efrom LarryPOST\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"3607\" data-start=\"3581\"\u003eInk pairing suggestions\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1tkq25u\" data-start=\"2270\" data-end=\"2325\"\u003eBright inks that become part of the visual experience\u003c\/li\u003e\n\u003cli data-section-id=\"6m8p6l\" data-start=\"2326\" data-end=\"2357\"\u003eTravel friendly reliable inks\u003c\/li\u003e\n\u003cli data-section-id=\"102e4bw\" data-start=\"2358\" data-end=\"2401\"\u003eFast drying inks for everyday note taking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"3820\" data-start=\"3798\"\u003eBuild your practice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"4049\" data-start=\"3822\"\u003eUse with the TWSBI Diamond Ink Well for cleaner filling\u003c\/li\u003e\n\u003cli data-end=\"4049\" data-start=\"3822\"\u003eReplacement Diamond Mini nibs for exploring line widths\u003c\/li\u003e\n\u003cli data-end=\"4049\" data-start=\"3822\"\u003eDe Atramentis Document inks for permanence\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"4068\" data-start=\"4051\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eTWSBI\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eBrand series\u003c\/strong\u003e: Diamond Mini\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTaiwan\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eNib:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStainless steel\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eNib sizes:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEF, F, M, B, 1.1 stub\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eFilling system\u003c\/strong\u003e: Piston filler (approx. 1.3mL)\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTransparent polycarbonate\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eTrim:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStainless steel\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eCap:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwist\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 9mm\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprox. 12mm\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprox. 117mm (capped)\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eapprox. 138mm (posted)\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eApprox. 18g\u003c\/li\u003e\n\u003cli data-end=\"4546\" data-start=\"4070\"\u003e\n\u003cstrong\u003eComparable size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eKaweco Sport, Pilot Prera\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"28c66f18-f6d3-494d-bf41-c1633b30efc0\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"4307\" data-end=\"4545\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eCompact enough to go everywhere, but satisfying enough to make you want to keep writing once you get there.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":42396215345234,"sku":"WTWSBI-M7442990-4711467442994","price":109.95,"currency_code":"AUD","in_stock":true},{"title":"Fine","offer_id":42396215378002,"sku":"WTWSBI-M7443000-4711467443007","price":109.95,"currency_code":"AUD","in_stock":false},{"title":"Medium","offer_id":42396215410770,"sku":"WTWSBI-M7443010-4711467443014","price":109.95,"currency_code":"AUD","in_stock":true},{"title":"Broad","offer_id":42396215443538,"sku":"WTWSBI-M7443020-4711467443021","price":109.95,"currency_code":"AUD","in_stock":true},{"title":"1.1mm Stub","offer_id":42396215476306,"sku":"WTWSBI-M7443270-4711467443274","price":109.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/4033\/8002\/files\/twsbi_diamond_mini_clear_4.jpg?v=1739176626","url":"https:\/\/www.larrypost.com.au\/products\/twsbi-diamond-mini-clear-fountain-pen-clear","provider":"LarryPOST","version":"1.0","type":"link"}