Diablo's Steel Demon and Demo Demon Carbide Teeth Reciprocating Blade Set consists of three Demo Demon blades for nail-embedded wood and two Steel Demon blades. This carbide teeth reciprocating saw blade set allows PROs to blaze through multiple materials, including nail-embedded wood, clean wood, cast iron, high strength alloys, stainless steel, tubing and more wood amazing ease. Get faster wall teardowns and framing materials or slice through a variety of metal pipes, bars and beams up to 9/16 in. Diablo's High performance TiCo Hi-Density carbide delivers an unmatched up to 50X longer blade life than standard bi-metal blades. Thanks to an oversized 1 in. body height, the blades provide greater durability, straighter cuts and less vibration across all cutting applications.