KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
SEJF40A 40A info Material: Steel Stem diameter (B): 6.900mm Bit length (D): 31.600mm Key length (A): 87.350mm Hole diameter (C): 3.500mm Bit thickness (F): 3.200mm
CL5-S Raw key CL5 - Folding info Material: Nickel-plated brass Stem diameter (B): 3.000mm Key length (A): 58.950mm Blade length (G): 18.700mm Blade width (H): 7.000mm