20 pcs 0.7mm Black Color Replaceable Ballpoint Pen Refill School Office Supplies(4.2 inch)

Description

🖋️ Upgrade your pen game — because your ideas deserve the finest lines.

This 20-piece set of 0.7mm black ballpoint pen refills offers a smooth, precise writing experience with a universal 4.2-inch length that can be trimmed to fit most pens. Ideal for professionals and students alike, these durable refills ensure you stay productive without interruption.