5AU11 5AU11 info Material: Brass Original producer: AUNO (IT) Bit width (E): 22.150mm Stem diameter (B): 4.750mm Bit length (D): 24.400mm Key length (A): 94.000mm
MTNCBP MTNCBP Mottura info Material: Nickel-plated brass Original producer: MOTTURA (IT) Bit width (E): 21.950mm Stem diameter (B): 4.750mm Key length (A): 112.500mm Bit thickness (F): 3.150mm Blade length (G): 24.300mm