5,5SPSR 5,5SPSR info Bit width (E): 35.650mm Stem diameter (B): 5.600mm Bit length (D): 25.100mm Key length (A): 136.250mm Hole diameter (C): 3.450mm Bit thickness (F): 2.500mm
5AT15 5AT15 info Material: Nickel-plated brass Original producer: ATRA (IT) Bit width (E): 22.900mm Bit length (D): 24.200mm Key length (A): 92.700mm Bit thickness (F): 2.850mm Blade length (G): 24.200mm