NEMN7 NEMEF NICKEL EXPRES 7 info Bit width (E): 18.500mm Stem diameter (B): 6.900mm Bit length (D): 9.500mm Key length (A): 89.250mm Bit thickness (F): 5.700mm
XZ3B XZ3B info Material: Steel Original producer: ZEISS IKON (DE) Stem diameter (B): 7.000mm Key length (A): 85.800mm
ARM7P Guler ARM7P info Material: Nickel-plated brass Original producer: ARMSTRONG (CZ) Key length (A): 47.550mm Bit thickness (F): 1.700mm Blade length (G): 15.900mm Blade width (H): 6.600mm