CHU7 CHU7 info Material: Silver-nikiel Original producer: AVA-CHUBB (SE) Bit width (E): 7.100mm Use: Security cylinders Blade length (G): 23.700mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm