The DEWALT DT2445-QZ 12 piece Reciprocating Blades Set contains the most popular long life blades, for a variety of applications, including cuts in ferrous and non-ferrous metal, sheet metal, pipes, wood, wood with nails, aluminium, fibreglass and tough plastics. The blades have a Bi-metal construction combining HCS and HSS for increased flexibility and durability. Their Universal shank fits all major brands including DEWALT, Bosch, Hitachi, Flex, Makita, Metabo and Skil. Supplied with a durable 'flip top' plastic case for convenient blade storage. Features of the blades include: A range of reciprocating blades for a wide range of cutting requirements. Hassle-free, re-useable storage case - quickly and easily adjusts to suit the blade lengths. Bi-metal construction combining HCS and HSS for increased flexibility and durability. Designed for use with cordless machines. Universal shank fits all major brands including DEWALT, Bosch, Hitachi, Flex, Makita, Metabo, Skil etc. Aggressive shank angle for longer cutting life. Sharper tooth geometry for faster cutting in ferrous and non ferrous metal, sheet metal, pipes and profiles.