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
SEJF37 37 info Stem diameter (B): 5.900mm Bit length (D): 13.400mm Key length (A): 58.330mm Hole diameter (C): 3.950mm Bit thickness (F): 2.950mm