IFI40 IF-I40 IF2 info Material: Steel Key length (A): 48.100mm Bit thickness (F): 2.100mm Blade length (G): 22.100mm Blade width (H): 7.550mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
UL050DC UL050 DC - big head info Material: Nickel-plated brass Stem diameter (B): 2.100mm Key length (A): 67.700mm Blade length (G): 27.350mm Blade width (H): 8.350mm