30 PCS Black Gel Pen Refills - Compatible with Zennyth and Kaco Retractable Gel Ink Rollerball Pen

With a length of 110mm/4.33 inches, these refills are designed for use with Lanxivi, Zennyth, Kaco Gel Pen, and other gel pen or rollerball pen models that use a 110mm push-type refill. The package includes 30 black refills, ensuring you have an ample supply for your daily writing needs.

Featuring a 0.5mm fine tip, these refills offer free-flowing ink for a smooth writing experience, making them a versatile choice for all your writing tasks. The no smear, no bleed technology ensures that the ink flows smoothly and delivers vivid black writing without any mess.

Replacing your refill is easy – simply unscrew the pen section, remove the original refill, insert the new refill, and ensure the spring is in its original position. This convenient process allows you to quickly and seamlessly continue using your favorite gel pen or rollerball pen without any hassle.

In summary, these black refills offer high quality, reliable performance, and a generous quantity to meet your writing, studying, and work demands. Upgrade your pen experience with these premium gel pen refills.

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