DeWalt Bi-Metal Reciprocating Blades for extreme applications, as well as demolition work. They have a bi-metal construction, combining a HCS body and cobalt-alloyed HSS cutting teeth for increased flexibility and durability. Aggressive tooth geometry with a special angle for a fast and effective removal of material, especially for tensile and abrasive metals. Universal shank fits all major brands including DeWalt, Bosch, Hitachi, Flex, Makita, Metabo, Skil. Ideal for fast cuts in wood with nails and tough plastics. With a Plunge Point tip that pierces the wood and removes more material, for fast and accurate cutting in wood applications. Features & Benefits • Bi-Metal construction, as a combination of HCS bodies and cobalt-alloyed HSS-cutting • Aggressive tooth geometry with a special new angle for a fast and effective removal of material, especially for tensile and abrasive metals • Ideal for extreme applications as well as demolition work • Specially formulated anti-stick coating mi