{"product_id":"twsbi-diamond-50-ink-bottle-50-ml-polished-aluminum","title":"TWSBI Diamond 50 Ink Bottle - 50 ml - Polished Aluminum","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eTWSBI Diamond 50 Ink Bottle — Polished Aluminum (50 ml)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA faceted glass inkwell with a polished anodized aluminum cap. The polished aluminum version is the upgraded finish on the standard Diamond 50 bottle, which otherwise ships with a black plastic top. Works with any bottled fountain pen ink and any pen, with extra functionality for TWSBI's piston-filler line.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhat makes it special\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTwo-part cap: the lower section unscrews for normal bottle filling; the upper section threads directly onto \u003ca href=\"https:\/\/thepapermind.mom\/products\/twsbi-diamond-580alr-fountain-pen-black\"\u003eTWSBI Diamond\u003c\/a\u003e, Classic, and Mini sections so you can fill the pen without dipping the nib\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eInternal removable reservoir — flip the bottle (cap on) to load a metered amount of ink, useful when the bottle runs low\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePolished anodized aluminum cap upgrade over the standard black plastic version\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAdapter also fits standard international converters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSpecs\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCapacity: 50 ml\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMaterial: Glass body, anodized aluminum cap\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFinish: Polished\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eTWSBI pen compatibility: \u003ca href=\"https:\/\/thepapermind.mom\/products\/twsbi-diamond-580-fountain-pen-clear\"\u003eDiamond 580\u003c\/a\u003e \/ 580AL \/ \u003ca href=\"https:\/\/thepapermind.mom\/products\/twsbi-diamond-580alr-fountain-pen-black\"\u003e580ALR\u003c\/a\u003e \/ 540 \/ 530, Classic, Mini\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eGeneral compatibility: Any fountain pen ink, any bottle-fill pen (with the adapter removed)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eInk: Not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003ePlease note: TWSBI products are not eligible for discounts.\u003c\/em\u003e\u003c\/p\u003e","brand":"TWSBI","offers":[{"title":"Default Title","offer_id":47860053180581,"sku":"TSB-M7447690","price":34.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/6046\/2501\/files\/TWSBI_Diamond_50_Ink_Bottle_-_50_ml_-_Polished_Aluminum.webp?v=1779925258","url":"https:\/\/thepapermind.mom\/products\/twsbi-diamond-50-ink-bottle-50-ml-polished-aluminum","provider":"The Paper Mind","version":"1.0","type":"link"}