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
5EL1 5EL1 info Material: Brass Original producer: ELZETT (HU) Bit width (E): 22.150mm Stem diameter (B): 5.200mm Bit length (D): 12.000mm Key length (A): 80.000mm Use: Cartridges and boxes Bit thickness (F): 2.950mm