Uni-Ball UMR10 Gel Pen Refills are perfect for Uni-Ball Gel Impact Pens. They contain Uni Super Ink which is permanent, waterproof and fade proof.

• Uni-ball replacement ink refill
• You can use these refills in your Uni-Ball Gel Impact Gel Pen.
• They contain Uni Super Ink which is permanent, waterproof and fade proof.
• These refills have a 1.0 mm nib.
• There are 12 black refills in this pack.