Custom Knife Designs
6 in stock
Clicker: Plunger that engages cartridge
Pen Clicker (plunger) ($12.00)
Go Pen Med Black
SPR4 Cartridge: Space pen cartridge ($12.00)
Go-Pen! Clicker / Plunger that engages the cartridge.
With frequent heavy use over many, many years the clicker becomes less efficient so having a spare or two is always a good idea.