MMF Industries Secure-A-Pen Replacement Ballpoint Counter Pen, Blue Ink, Medium (28708)
This pen has refill built into barrel, eliminating the risk of tampering. Features rubberized grip and ridges for writing comfort. Round, adhesive base secures to any clean, flat surface. Ball-chain extends to 24" for maximum desk coverage. Pen snaps onto the chain as a quick and easy alternative to refilling ink.