5IE9 5IE9 info Material: Brass Original producer: ISEO (IT) Stem diameter (B): 4.400mm Key length (A): 20.000mm 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
RC28R RC28R info Material: Nickel-plated brass Original producer: CINA (CN) Stem diameter (B): 1.600mm Key length (A): 54.650mm Blade length (G): 17.700mm Blade width (H): 6.500mm