261G4 MB261 G1 brass info Bit width (E): 13.900mm Stem diameter (B): 5.900mm Bit length (D): 4.950mm Key length (A): 68.900mm Hole diameter (C): 4.000mm Bit thickness (F): 3.400mm
MAUER90 MAUER-90 info Original key: Y Bit width (E): 16.250mm Stem diameter (B): 7.000mm Key length (A): 90.000mm Hole diameter (C): 3.550mm Bit thickness (F): 2.950mm
MTNCBP MTNCBP Mottura info Material: Nickel-plated brass Original producer: MOTTURA (IT) Bit width (E): 21.950mm Stem diameter (B): 4.750mm Key length (A): 112.500mm Bit thickness (F): 3.150mm Blade length (G): 24.300mm