GT7G GT7 info Original key: Y Stem diameter (B): 8.000mm Key length (A): 125.150mm Hole diameter (C): 4.700mm
XZ3B XZ3B info Material: Steel Original producer: ZEISS IKON (DE) Stem diameter (B): 7.000mm Key length (A): 85.800mm
5YA22 5YA22 info Material: Brass Original producer: YALE (DE, GB, IT, US) Stem diameter (B): 5.100mm Key length (A): 91.500mm Use: Cartridges and boxes