5CSS1 5CSS1 info Material: Brass Original producer: CLASS (RU) Bit width (E): 21.450mm Stem diameter (B): 5.000mm Bit length (D): 24.000mm Key length (A): 91.000mm Bit thickness (F): 2.450mm
U1I U-1I UL057 info Material: Steel Key length (A): 41.450mm Bit thickness (F): 2.000mm Blade length (G): 17.450mm Blade width (H): 7.050mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm