MTL MTL info Material: Brass Original producer: MOTTURA (IT) Stem diameter (B): 5.000mm Key length (A): 112.300mm Use: Cartridges and boxes
ST-1 STUV-1L info Stem diameter (B): 5.300mm Bit length (D): 16.200mm Key length (A): 60.400mm Hole diameter (C): 3.600mm Bit thickness (F): 2.900mm