{"product_id":"twsbi-diamond-580-nib-unit","title":"TWSBI Diamond 580 Nib Unit","description":"\u003cmeta charset=\"utf−8\"\u003e\u003ch2\u003eAbout TWSBI Diamond 580 Nib Unit\u003c\/h2\u003e\u003cp\u003eReplacement  nib with front section for the TWSBI Diamond 580 range of fountain pens. Also suitable for Diamond 530 and Diamond 540 pens.\u003c\/p\u003e\u003cp\u003eView more from \u003ca href=\"https:\/\/www.hamiltonpens.mom\/collections\/twsbi\" title=\"TWSBI\"\u003eTWSBI\u003c\/a\u003e\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Extra Fine","offer_id":12624502128723,"sku":"TWS-M7443560","price":20.0,"currency_code":"GBP","in_stock":false},{"title":"Fine","offer_id":12624502161491,"sku":"TWS-M7443570","price":20.0,"currency_code":"GBP","in_stock":false},{"title":"Medium","offer_id":12624502194259,"sku":"TWS-M7443580","price":20.0,"currency_code":"GBP","in_stock":false},{"title":"Broad","offer_id":12624502227027,"sku":"TWS-M7443590","price":20.0,"currency_code":"GBP","in_stock":false},{"title":"1.1mm Stub","offer_id":12624509894739,"sku":"TWS-M7443600","price":23.0,"currency_code":"GBP","in_stock":false},{"title":"1.5mm Stub","offer_id":12624509993043,"sku":"TWS-M7443610","price":23.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/2043\/products\/TWSB-580-nib.jpg?v=1532521206","url":"https:\/\/www.hamiltonpens.mom\/products\/twsbi-diamond-580-nib-unit","provider":"The Hamilton Pen Company","version":"1.0","type":"link"}