For use with reciprocating saws with ½" universal shank systems for stability in demolition applications. Features 22mm wide tapered body and 1.6mm extra-thick gauge material to deliver fast, straight cuts in wood and plastic without bending. Vario-tooth design and large gullets allow efficient material removal. Bi-metal construction features fully hardened high-speed steel tooth strip bonded with an elastic high-carbon steel blade, ideal for cutting regular-strength steel components embedded in wood. Cutting capacity up to 175mm.