5RUS1 5RUS1 info Material: Brass Original producer: RUSSIA (RU) Stem diameter (B): 5.900mm Key length (A): 131.000mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
IF14 IF14 info Material: Nickel-plated brass Original producer: IFAM (ES) Bit width (E): 27.150mm Stem diameter (B): 2.850mm Key length (A): 62.450mm Blade width (H): 9.300mm