Diablo's new Demo Demon carbide general purpose reciprocating saw blades are specifically designed for wood and metal cutting applications. These blades deliver unmatched 50 times longer life in both wood and metal compared to a standard bi-metal blade. These blades feature an oversized blade body, patented Variable tooth design, and Perma-Shield® non-stick coating. Ideal for cutting nail-embedded wood and demolition thick metal applications with a 3mm to 10mm thickness.