6BDA4 6BDA4 info Material: Brass Original producer: BODA (FI) Bit width (E): 18.400mm Stem diameter (B): 5.700mm Bit length (D): 16.000mm Key length (A): 108.500mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm