This Blue Black uni-ball Signo UM-153 Rollerball Pen has a medium tip and writes with blue black (navy) ink. The sturdy Stainless steel tip houses a 1.0mm tungsten carbide ball which provides a smooth writing experience. The rubber grip ensures comfortable non-slip gripping and the clear plastic barrel allows you to keep an eye on ink levels.
•A rollerball pen with a medium, stainless steel tip and tungsten carbide ball
•Clips easily onto a shirt pocket or notebook with its handy pocket clip
•Offers a comfortable writing experience with its non-slip rubber grip
•Keep an eye on ink levels with the clear polastic barrel
•A blue black pen that writes with a dark navy blue ink