KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
BUR71 BUR71 info Material: Steel Original producer: BURG (DE) Stem diameter (B): 1.850mm Key length (A): 44.650mm Blade length (G): 18.000mm Blade width (H): 6.950mm