DEWALT Fast Cut General Purpose Reciprocating Blades have a bi-metal construction, a combination of HCS and HSS for greater flexibility. Adjusted tooth setting for maximum durability and M2 HSS cutting edges for sharpness. The universal shank fits all major brands including DEWALT, Bosch, Hitachi, Flex, Makita, Metabo and Skil. Suitable for wood, ferrous and non-ferrous metals, sheet steel, pipes and profiles. Specification Length 203mm Pitch 2.5mm TPI 10 Pack Quantity 5