5AT9 5AT9 info Material: Brass Original producer: ATRA (IT) Bit width (E): 23.100mm Stem diameter (B): 4.900mm Bit length (D): 24.300mm Key length (A): 115.000mm Use: Cartridges and boxes Bit thickness (F): 2.500mm
5OC1 5OC1 info Material: Nickel-plated brass Original producer: OMEC (IT) Bit width (E): 19.600mm Stem diameter (B): 4.400mm Key length (A): 79.500mm Bit thickness (F): 2.450mm