{"product_id":"deli-s210-gel-pen-refills-0-5mm-black-12-pack","title":"Deli S210 Gel Pen Refills | 0.5mm Black Ink | Compatible with DELI S99 \/ NS554 \/ NS552 | Pack of 12","description":"\u003ch2\u003eKeep Writing Without Interruption\u003c\/h2\u003e\u003cp\u003eNever let a dry pen slow you down. The \u003cstrong\u003eDeli S210 Gel Pen Refill\u003c\/strong\u003e delivers the same smooth, consistent 0.5mm black ink performance you expect from your Deli pen — in a convenient 12-pack that keeps your desk, bag, and drawer stocked and ready.\u003c\/p\u003e\u003cp\u003eEngineered as a direct replacement for the Deli S99, NS554, and NS552 retractable gel pens, the S210 refill slots in perfectly with no trimming, adapting, or guesswork. Just swap and write.\u003c\/p\u003e\u003ch2\u003eWhat's Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e12 × Deli S210 gel pen refill cartridges\u003c\/li\u003e\n\u003cli\u003eInk color: black\u003c\/li\u003e\n\u003cli\u003eTip size: 0.5mm fine point\u003c\/li\u003e\n\u003cli\u003eInk type: smooth-flow gel ink\u003c\/li\u003e\n\u003cli\u003eCompatible models: Deli S99, NS554, NS552 (and other Deli pens using the S210 refill format)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eKey Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExact OEM fit\u003c\/strong\u003e — designed specifically for Deli retractable gel pens; installs in seconds with no modification\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth 0.5mm gel ink\u003c\/strong\u003e — consistent flow from first stroke to last, with no skipping or blobbing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRich black pigment\u003c\/strong\u003e — deep, legible lines ideal for everyday writing, note-taking, exams, and office documents\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong ink capacity\u003c\/strong\u003e — each refill is filled to full capacity for extended writing life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValue 12-pack\u003c\/strong\u003e — stock up and save; enough refills to keep multiple pens loaded for months\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick-dry ink\u003c\/strong\u003e — reduces smearing for both right- and left-handed writers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatible Pen Models\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDeli S99 Retractable Gel Pen\u003c\/li\u003e\n\u003cli\u003eDeli NS554 Retractable Gel Pen\u003c\/li\u003e\n\u003cli\u003eDeli NS552 Retractable Gel Pen\u003c\/li\u003e\n\u003cli\u003eOther Deli models that use the S210 refill format (check your pen's refill label to confirm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow to Replace the Refill\u003c\/h2\u003e\u003col\u003e\n\u003cli\u003eClick or unscrew the barrel of your Deli pen to access the refill chamber.\u003c\/li\u003e\n\u003cli\u003ePull out the empty S210 refill cartridge.\u003c\/li\u003e\n\u003cli\u003eInsert the new S210 refill, tip-first, until it seats firmly.\u003c\/li\u003e\n\u003cli\u003eReassemble the pen and click to extend the tip.\u003c\/li\u003e\n\u003cli\u003eTest on a spare sheet of paper — ink flow begins immediately.\u003c\/li\u003e\n\u003c\/ol\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eQ: Will the S210 refill fit my Deli pen?\u003c\/h3\u003e\u003cp\u003eA: The S210 refill is confirmed compatible with the Deli S99, NS554, and NS552 retractable gel pens. If you have a different Deli model, check the label on your current refill — if it reads \"S210\", this pack is a direct replacement.\u003c\/p\u003e\u003ch3\u003eQ: Is this an official Deli product?\u003c\/h3\u003e\u003cp\u003eA: Yes — the Deli S210 is the manufacturer's own replacement refill, produced to the same specifications as the refill included with your original pen.\u003c\/p\u003e\u003ch3\u003eQ: What ink color is available?\u003c\/h3\u003e\u003cp\u003eA: This listing is for \u003cstrong\u003eblack ink\u003c\/strong\u003e only, in 0.5mm tip size. Black is the standard choice for everyday writing, exams, and official documents.\u003c\/p\u003e\u003ch3\u003eQ: How long does each refill last?\u003c\/h3\u003e\u003cp\u003eA: Ink life varies depending on writing pressure and usage frequency. Under typical office or study conditions, each refill provides several weeks of regular use. The 12-pack ensures you always have a spare on hand.\u003c\/p\u003e\u003ch3\u003eQ: Can I use this refill in non-Deli pens?\u003c\/h3\u003e\u003cp\u003eA: The S210 refill is designed for Deli pen models. It may fit other brands with a similar refill format, but compatibility is not guaranteed. We recommend verifying the dimensions against your current refill before use.\u003c\/p\u003e\u003ch3\u003eQ: Is the ink quick-dry or smear-resistant?\u003c\/h3\u003e\u003cp\u003eA: Yes — the gel ink formula dries quickly on standard paper, minimizing smearing. It is suitable for both right- and left-handed writers.\u003c\/p\u003e","brand":"Deli","offers":[{"title":"Default Title","offer_id":55471851536689,"sku":"DL-S210-12P","price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/2630\/3793\/files\/O1CN01VeHhPW1bo5Nh5EqHT__603973511.jpg_q50.jpg_f2d93d6a-5326-4cf5-8b30-1796a6b20238.webp?v=1785154282","url":"https:\/\/www.ttpen.com\/products\/deli-s210-gel-pen-refills-0-5mm-black-12-pack","provider":"TTpen","version":"1.0","type":"link"}