Freud - Reciprocating Saw Blades Blade Material: Carbide Blade Length (Inch): 6

Solid carbide provides better rigidity than high speed steel. It is extremely heat-resistant and used for high-speed applications on cast iron, nonferrous materials, plastics and other tough-to-machine materials.

Straight-backed blades are used for cutting straight edges.

The cutting surface of a toothed edge is composed of a row of pointed teeth. Common tooth variations include the number of teeth per inch and pitch pattern. They are used on ferrous and nonferrous materials.