Diablo’s Demo Demon™ Carbide Teeth Reciprocating Saw Blades for General Purpose Cuts are the first blades on the market specifically designed for extreme performance in both wood and metal. These blades include exclusive features that deliver unmatched 50X longer life in both wood and metal cutting applications. With an oversized blade body, patented Variable tooth design, and Perma-SHIELD® non-stick coating, this blade is ideal for cutting nail-embedded wood and demolition thick metal applications with a 1/8″-3/8″ thickness.