MTL MTL info Material: Brass Original producer: MOTTURA (IT) Stem diameter (B): 5.000mm Key length (A): 112.300mm Use: Cartridges and boxes
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
EUB1EX EUB1 info Material: Brass Original producer: EUROBOX (GB) Stem diameter (B): 1.800mm Key length (A): 42.100mm Blade length (G): 16.500mm Blade width (H): 7.000mm