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
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
EMK4R EMK4R info Material: Steel Original producer: EMKA (FR) Stem diameter (B): 1.650mm Key length (A): 41.600mm Blade length (G): 16.000mm Blade width (H): 5.500mm