Two High-Quality Blade Types Available from DeWalt: Features and Benefits DT2301L-QZ: Aggressive shank angle for longer cutting life. Sharper tooth geometry for faster cutting in ferrous and non ferrous metal, sheet metal, pipes and profiles. Bi-metal construction combining HCS and HSS for increased flexibility and durability. Applications: Fast cuts in ferrous and non-ferrous metal, sheet metal, pipes and profiles from 3-8mm thick. Length: 152mm Pitch: 1.8mm Features and Benefits DT2352-QZ / DT2361-QZ: Wood Cutting Reciprocating Saw Blades High Carbon Steel construction Applications: For use in wood, plywood, laminates and plastics. Universal 1/2'' (13mm) shank suitable for DEWALT, Bosch, Hitachi, Flex, Makita, Metabo, Skil. Coarse, fast cuts in wood Two different lengths available to suit cutting needs Notes Supplied in packs of 5. Images for illustration purpose only.