5KY6 5KY6 info Material: Nickel-plated brass Original producer: KASSEL-YALE (IT) Bit width (E): 19.100mm Stem diameter (B): 5.900mm Bit length (D): 12.150mm Key length (A): 54.300mm
5SER3 5SER3 info Material: Brass Original producer: SERCAP (IT) Stem diameter (B): 4.700mm Key length (A): 107.200mm Use: Cartridges and boxes