{"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":56305465065777,"sku":"uxq1789571712821","price":27.85,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":56305465098545,"sku":"bvj1789571712822","price":21.78,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":56305465131313,"sku":"bai1789571712823","price":25.71,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":56305465164081,"sku":"jpc1789571712824","price":27.5,"currency_code":"USD","in_stock":true},{"title":"Stub 1.1","offer_id":56305465196849,"sku":"iod1789571712825","price":22.5,"currency_code":"USD","in_stock":true},{"title":"Stub 1.5","offer_id":56305465229617,"sku":"vhw1789571712826","price":23.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0991\/4993\/8993\/files\/twsbi-diamond-580-replacement-nib-unit_1.jpg?v=1789571718","url":"https:\/\/hand-stitched-detail.shop\/products\/twsbi-diamond-580-replacement-nib-unit","provider":"My Store","version":"1.0","type":"link"}