{"product_id":"opus-88-koloro-fountain-pen-in-black-2025-edition","title":"Opus 88 Koloro Fountain Pen in Black - 2025 Edition","description":"\u003cp\u003eOpus 88 has expanded their Koloro collection for 2025 with vibrant new colors, including hot pink, light blue, and black, making this lineup more versatile than ever. Each pen is crafted from durable acrylic and designed for the needs of dedicated fountain pen users.\u003c\/p\u003e\n\u003cp\u003eThe Opus 88 Koloro Black fountain pen combines classic elegance with modern functionality. Its black resin accents are beautifully contrasted by the clear acrylic barrel, offering a refined style. Ideal for serious writers, this pen features an eyedropper filling system complete with a shut-off valve, a detail rarely seen in contemporary pens but essential for smooth ink flow and minimal spills. Available in nib sizes Extra Fine, Fine, Medium, Broad, and 1.4mm Stub, this pen is both a functional and fashionable choice for any pen enthusiast.\u003c\/p\u003e\n\u003cp\u003eOpus 88 Koloro Fountain Pen in Black - 2025 Edition\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Durable acrylic with black resin accents and a clear acrylic barrel\u003c\/li\u003e\n\u003cli\u003eNib: #5 size stainless steel nib (made by Jowo)\u003c\/li\u003e\n\u003cli\u003eNib sizes available: Extra Fine, Fine, Medium, Broad, 1.4mm Stub\u003c\/li\u003e\n\u003cli\u003ePen length, closed: 5.59 in. \/ 142mm\u003c\/li\u003e\n\u003cli\u003ePen length, open, cap off: 4.96 in. \/ 126mm\u003c\/li\u003e\n\u003cli\u003ePen length, open, cap posted: 6.30 in. \/ 160mm\u003c\/li\u003e\n\u003cli\u003ePen diameter, maximum: 0.61 in. \/ 15.5mm\u003c\/li\u003e\n\u003cli\u003eGrip diameter: 0.39 in. - 0.43 in. \/ 10mm - 11mm\u003c\/li\u003e\n\u003cli\u003eEyedropper filling system with a built-in shut-off valve\u003c\/li\u003e\n\u003cli\u003eGift boxed with an eyedropper\u003c\/li\u003e\n\u003cli\u003eMade in Taiwan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Opus 88 Pens","offers":[{"title":"Medium","offer_id":42883459612811,"sku":"241003M","price":93.0,"currency_code":"USD","in_stock":false},{"title":"Fine","offer_id":42883459645579,"sku":"241003F","price":93.0,"currency_code":"USD","in_stock":false},{"title":"Extra Fine","offer_id":42883459678347,"sku":"241003EF","price":93.0,"currency_code":"USD","in_stock":false},{"title":"Broad","offer_id":42883459711115,"sku":"241003B","price":93.0,"currency_code":"USD","in_stock":false},{"title":"1.4mm Stub","offer_id":42883459743883,"sku":"2410031.4","price":93.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1693\/8459\/files\/opus-88-koloro-fountain-pen-in-black-2025-edition-855.jpg?v=1762272884","url":"https:\/\/goldspot.mom\/products\/opus-88-koloro-fountain-pen-in-black-2025-edition","provider":"Goldspot Pens","version":"1.0","type":"link"}