{"product_id":"twsbi-diamond-580-replacement-nib-unit","title":"TWSBI Diamond 580 Replacement Nib Unit","description":"\u003cp\u003eReplacement nib unit for TWSBI Diamond 580 fountain pens.\u003c\/p\u003e\n\n\u003cp\u003eBoth nib and clear Diamond 580 grip section supplied including metal ring. Also suitable for Diamond 540 pens, just swap out the old grip section.\u003c\/p\u003e\n\n\u003cp\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\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra-Fine","offer_id":43185474207987,"sku":"TW41644-EF","price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Fine","offer_id":43185474240755,"sku":"TW41644-F","price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Medium","offer_id":43185474273523,"sku":"TW41644-M","price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Broad","offer_id":43185474306291,"sku":"TW41644-B","price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.1","offer_id":43185474339059,"sku":"TW41644-11","price":26.5,"currency_code":"GBP","in_stock":true},{"title":"Stub 1.5","offer_id":43185474371827,"sku":"TW41644-15","price":26.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0659\/6388\/4787\/products\/TW41644-ZZZ_TWSBI-Diamond-580-Replacement-Nib-Unit_P1.jpg?v=1663765350","url":"https:\/\/cultpens.live\/products\/twsbi-diamond-580-replacement-nib-unit","provider":"Cult Pens","version":"1.0","type":"link"}