DEWALT 2X Life Reciprocating Metal Saw Blades have superior High Speed Steel teeth with added Cobalt for excellent cutting performance and extreme durability in metal applications. The blade has increased height and thickness for increased sturdiness, strength and extreme durability. With a 14/18 tooth configuration to reduce tooth breakage in hard metals. The ToughCoat proprietary coating reduces heat build up and increases blade life and the aggressive shank angle increases tooth engagement in materials for excellent cutting performance and extended blade life. For cutting a range of metals including Rebar, Angle Iron, Black Pipe, Copper, Duct Work, Conduit, Sheet Metal, Thin Gauge Steel and Pipe.