KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
AM100 AM100 info Material: Steel Original key: Y Key length (A): 47.200mm Bit thickness (F): 1.950mm Blade length (G): 19.850mm Blade width (H): 6.900mm
ABU55/25 Abus 55/25 info Material: Nickel-plated brass Original key: Y Original producer: ABUS (DE) Stem diameter (B): 1.630mm Key length (A): 32.400mm Blade length (G): 12.300mm Blade width (H): 4.900mm