KL1ST KL1ST info Original key: Y Key length (A): 44.050mm Bit thickness (F): 1.800mm Blade length (G): 19.000mm Blade width (H): 7.000mm
YAL4N YALE 4N 4 cuts info Original key: Y Key length (A): 53.500mm Bit thickness (F): 2.500mm Blade length (G): 23.000mm Blade width (H): 8.900mm
SSO4 SSO4 info Material: Brass Original producer: SISO (IT) Key length (A): 44.050mm Blade length (G): 18.500mm Blade width (H): 6.800mm