MTL252+ 252+ info Original key: Y Key length (A): 72.550mm Bit thickness (F): 2.450mm Blade width (H): 9.000mm
SISWEX SISW info Material: Brass Key length (A): 42.050mm Bit thickness (F): 1.800mm Blade length (G): 16.600mm Blade width (H): 7.000mm
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm