GT1 GT1 info Original key: Y Stem diameter (B): 8.000mm Key length (A): 80.100mm Hole diameter (C): 5.100mm
5SER3 5SER3 info Material: Brass Original producer: SERCAP (IT) Stem diameter (B): 4.700mm Key length (A): 107.200mm Use: Cartridges and boxes
SPEPOD Special Patent info Material: Steel Stem diameter (B): 6.000mm Bit length (D): 15.500mm Key length (A): 76.650mm