Cartridge (Slider Pin) Specs: - THEY SLIDE!!!!!! - Dustcover & Cartridge: Black nickel HARD enamel - Double clutch rubber backing - Approximately 1.0'' in height (closed) - Approximately 1.25" in height (opened) - BB-CRE.8 backstamp logo - Laser Etched 1-50 - KILL 'EM ALL AF!