The Milwaukee Torch SAWZALL blades are for cutting heavy duty metal. They are shatter resistant and are flexible when cutting to prevent breakages. They have a blade height of 25mm for better stability. The 1.06mm thickness body makes the blades strong and robust. 230mm long with 10TPI. Pack of 5. They are fitted with a 1/2" universal shank which can be used with the following brands, AEG, B&D, Bosch, DeWalt, Fein, Flex, Hilti, Makita, Metabo, Milwaukee, Porter Cable, Ridgid, Rothenberger, Ryobi, Skil.