Milwaukee multi-material SAWZALL Blades can cut through a variety of materials in the toughest professional applications. This MILWAUKEE reciprocating saw blade features double relief angles that reduce tooth stress for longer life and have our precision forming process to create sharper teeth for fast cutting in wood, nail embedded wood, composition material, plastic, cast iron, ferrous and non-ferrous metals. Each blade is equipped with matrix II bi-metal teeth for greater durability and a 1/2 In. universal tang that fits all SAWZALLS for maximum versatility.