DJ1 MODULAR DRILL JIG SET

A-1 offers an innovative, safer way to drill out cylinders
without the high risk of injury to fingers and hands. Each jig
snaps into the cone shaped safety handle to provide proper
alignment for many popular cylinders. Set includes: A-1 safety
handle, 3 steel jigs, 3 bits; I/C for interchangeable core
mortise cylinder and tulip knob. Pins remain intact for
decoding. RT for recessed tulip design. Does not damage
knob. FF for flat faced cylinders.