Reciprocating Saw Blade, 8" Long, 10 TPI, Bi-Metal Construction, for Metal and Wood Cutting, Bulk Bi-metal reciprocating blades for faster cutting and added durability. Best suited for maintenance and repair work. Cuts composition materials, plastic, pipe, carbon steel and stainless steel. Use with materials 1/8" and thicker. Electronic beam weld for stronger, longer lasting teeth. Bi-metal construction for faster cutting and added durability. Precision set teeth for faster, smoother cuts. 8% Cobalt keeps teeth sharp longer.