It is a replacement drive belt designed specifically for the HPC 9120RM ("Mini-Speedex") key duplicator

miniature parts

which is made up of a number of components

a locksmith can determine the code by measuring the key’s cuts with a key gauge or decoding the lock directly

Used with 23000 and 24000 Series Cam Locks

Key In Knob, Lever, Deadbolt Cylinder For Schlage SC8 / SC9 US4 1993-Ford-Crown Victoria It is a replacement driveThe Schlage E Keyway Key in Knob Cylinder with US4 finish is made of solid brass and is compatible with the SC8 and SC9 keys. This cylinder is specifically designed to meet the exact pinning specifications of original Schlage systems. It comes with multiple tailpieces and a screw on retaining cap. Ideal for Grade 1 and 2 Knob Locks, Lever Locksets, and Deadbolts. This cylinder comes keyed 5 pin (SC8) but can have a 6th pin (SC9) added. Keyed 5 pin