{"product_id":"twsbi-diamond-580-fountain-pen-rbt","title":"TWSBI Diamond 580 Fountain Pen Red Blue Transparent","description":"\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eTWSBI Diamond 580 Fountain Pen Red Blue Transparent. Transparent barrel reveals the filling mechanism, a built-in piston-filler with a very smooth action. Chromed metal trim and pocket clip. TWSBI logo nicely finishes the top of the pen's cap. Rubber o-ring on cap thread ensures an airtight seal to prevent ink drying out in the pen, whilst also ensuring that the cap is firmly attached to the pen when not in use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eDiamond-faceted barrel ensures pen will not roll away if left uncapped on a desk.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003ePolished steel nib engraved with TWSBI logo and branding, available in a wide range of nib sizes: fine, medium, broad, extra-fine, stub 1.1mm and stub 1.5mm.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003e141mm long closed, 130mm long open, 176mm long posted. 12.9mm max barrel diameter, grip section tapers down to 9.5mm. Weighs 28g.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eNote: piston-filler pens cannot use cartridges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eSupplied gift-boxed.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(0, 0, 0);\"\u003eLike all TWSBI fountain pens we stock, this pen can be entirely disassembled for the purposes of cleaning and servicing. Instructions and necessary tools are supplied with each pen. However, the disassembly feature is only there for experienced users and is not necessary for normal use. Disassembly is at your own risk!\u003c\/span\u003e\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra-Fine","offer_id":46887358693619,"sku":"TW00031-EF","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":46887358660851,"sku":"TW00031-F","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":46887358628083,"sku":"TW00031-M","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":46887358726387,"sku":"TW00031-B","price":59.21,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":46887358759155,"sku":"TW00031-11","price":59.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/files\/TW00031-01.jpg?v=1744624916","url":"https:\/\/cultpens.com\/en-us\/products\/twsbi-diamond-580-fountain-pen-rbt","provider":"Cult Pens","version":"1.0","type":"link"}