KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
UR2R UR2R info Material: Steel Original producer: URKO (ES) Key length (A): 44.200mm Blade length (G): 19.400mm Blade width (H): 7.100mm
RC13R RC13R info Material: Steel Original producer: CINA (CN) Stem diameter (B): 1.550mm Key length (A): 39.550mm Blade length (G): 15.800mm Blade width (H): 6.000mm