5AT11AP 5AT11AP info Material: Brass Original producer: ATRA (IT) Bit width (E): 23.000mm Stem diameter (B): 5.000mm Bit length (D): 24.300mm Key length (A): 105.500mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
SISSEX SISS info Material: Brass Key length (A): 42.000mm Bit thickness (F): 1.800mm Blade length (G): 16.500mm Blade width (H): 7.000mm
FHKREX FHKR info Material: Brass Key length (A): 42.000mm Bit thickness (F): 1.750mm Blade length (G): 16.700mm Blade width (H): 7.100mm
FHKEX FHK info Material: Brass Key length (A): 42.000mm Bit thickness (F): 1.800mm Blade length (G): 16.500mm Blade width (H): 7.000mm