CHU5 CHU5 info Material: Brass Original producer: AVA-CHUBB (SE) Bit width (E): 8.700mm Use: Furniture cylinders Blade length (G): 16.500mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm