These DEWALT Bi-Metal Reciprocating Blades have the following specification: Length: 152mm Pitch: 1.8mm Material Thickness: 3-8mm Pack Quantity: 5 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. DEWALT A06 B2070