DeWalt Bi-Metal Reciprocating Blades for extreme applications, as well as demolition work. They have a bi-metal construction, combining HCS and HSS 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. 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 minimizes friction and gum-up for smoother cuts Specifications • Length: 203mm • Pitch: 1.8mm • Material Thickness: 3-8mm • TPI: 14 • Pack Quantity: 5