KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
OBW7EX OBW7 info Material: Brass Key length (A): 65.750mm Bit thickness (F): 2.200mm Blade length (G): 29.250mm Blade width (H): 8.800mm
OBW6EX OBW6 info Material: Brass Key length (A): 65.750mm Bit thickness (F): 2.200mm Blade length (G): 29.350mm Blade width (H): 8.800mm