{"product_id":"refillable-rollerball-gel-pen-ink-converter-included-2-pack-0-38mm-0-5mm","title":"Refillable Rollerball Gel Pen Ink Converter Included 2 Pack (0.38mm \u0026 0.5mm)","description":"\u003ch2\u003eRefillable Rollerball Gel Pen — 2-Pack (0.38mm Needle Tip + 0.5mm Bullet Tip)\u003c\/h2\u003e\u003cp\u003eThe last pen you’ll need to buy — because you can always refill it. This transparent-barrel rollerball gel pen combines the smooth, fast-drying flow of a gel pen with the ink flexibility of a fountain pen. Use your favorite bottled ink or a standard 3.4mm cartridge, swap between a precision needle tip and a classic bullet tip, and write without limits. Two pens, two tip styles, infinite ink possibilities.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBarrel:\u003c\/strong\u003e Fully transparent — monitor your ink level at a glance and enjoy the color of your ink before it hits the page\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk System:\u003c\/strong\u003e Includes ink converter (吸墨器) for bottled ink; also compatible with standard 3.4mm universal ink cartridges\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Options:\u003c\/strong\u003e 0.38mm needle tip (fine, precise lines) + 0.5mm bullet tip (smooth, everyday writing)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInk Type:\u003c\/strong\u003e Compatible with gel ink, fountain pen ink, and calligraphy ink\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefillable:\u003c\/strong\u003e Eco-friendly design — refill instead of replace\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePack Contents:\u003c\/strong\u003e 2 pens + 2 ink converters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy You'll Love It\u003c\/h3\u003e\u003cp\u003ePicture this: a deep teal ink loaded into the 0.38mm needle tip for precise annotations, and a warm amber in the 0.5mm bullet tip for flowing journal entries. The transparent barrel makes every ink choice a visual experience — you see the color, feel the weight, and write with intention. When the ink runs low, a quick refill and you’re back. No waste, no compromise.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBarrel: Full transparent\u003c\/li\u003e\n\u003cli\u003eTip Sizes: 0.38mm needle tip (针管笔头) \u0026amp; 0.5mm bullet tip (子弹笔头)\u003c\/li\u003e\n\u003cli\u003eInk System: Ink converter included; compatible with 3.4mm standard universal cartridges\u003c\/li\u003e\n\u003cli\u003eInk Compatibility: Bottled ink (gel, fountain pen, calligraphy ink)\u003c\/li\u003e\n\u003cli\u003eDesign: Refillable, eco-friendly\u003c\/li\u003e\n\u003cli\u003ePack Quantity: 2 pens (1× 0.38mm + 1× 0.5mm) + 2 ink converters\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerfect For\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJournaling, bullet journaling \u0026amp; planner writing\u003c\/li\u003e\n\u003cli\u003ePrecise note-taking \u0026amp; annotation (0.38mm needle tip)\u003c\/li\u003e\n\u003cli\u003eEveryday smooth writing (0.5mm bullet tip)\u003c\/li\u003e\n\u003cli\u003eColored ink \u0026amp; calligraphy ink enthusiasts\u003c\/li\u003e\n\u003cli\u003eEco-conscious writers who prefer refillable pens\u003c\/li\u003e\n\u003cli\u003eGifting — a versatile, premium everyday writing set\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TTpen","offers":[{"title":"Default Title","offer_id":54337578697009,"sku":"BN002RP","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/Refillable-Rollerball-Gel-Pen.jpg?v=1779808556","url":"https:\/\/www.ttpen.com\/products\/refillable-rollerball-gel-pen-ink-converter-included-2-pack-0-38mm-0-5mm","provider":"TTpen","version":"1.0","type":"link"}