{"product_id":"opus-88-fountain-pen-in-demonstrator","title":"Opus 88 Fountain Pen in Demonstrator","description":"\u003cp\u003eFor true purists of the writing experience, Opus 88 crafted the KOLORO Demo with clear acrylic resin. Enjoy watching your ink color of choice slosh around the massive 2mL capacity of this eyedropper filling fountain pen. Engineered for serious fountain pen enthusiasts who love to use their pens to write at extreme length, the KOLORO is one of the few modern pens to feature an eyedropper filling only system that has a shut-off valve. More commonly found in Japanese vintage fountain pens, the valve regulates the ink flow to prevent ink burping on the page.\u003c\/p\u003eOpus 88 Koloro Demo Eyedropper Filling Fountain Pen Details:\u003cul\u003e\n\u003cli\u003eBarrel and Cap crafted from transparent acrylic resin\u003c\/li\u003e\n\u003cli\u003eStainless steel nib\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":"1.5mm Stub","offer_id":39496904343691,"sku":"96083900STUB15","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Medium","offer_id":39496904245387,"sku":"96083900M","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Fine","offer_id":39496904278155,"sku":"96083900F","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Extra Fine","offer_id":48867059302539,"sku":"96083900EF","price":120.0,"currency_code":"USD","in_stock":true},{"title":"Broad","offer_id":39496904310923,"sku":"96083900B","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1693\/8459\/files\/9605076d-9ecc-462c-8db6-cad7cab170b7.jpg?v=1785951595","url":"https:\/\/goldspot.mom\/products\/opus-88-fountain-pen-in-demonstrator","provider":"Goldspot Pens","version":"1.0","type":"link"}