Keep writing with the uni-ball Signo Broad Rollerball Pen Refill, which is black pen refill suitable for use with uni-ball Signo Broad Capped pens. It features a 1.0mm broad nib and is quick and easy to replace when your pen runs out of ink.
•UMR-10 rollerball pen refill in black
•1.0mm broad tip
•Compatible with uni-ball Signo Broad Capped pens
•Quick and easy to replace