The 48-01-7701 Milwaukee SAWZALL® THE WRECKER™ Multi-Material 6'' Blade is designed for Multi-Material demolition cutting. This mean it has the capability of cutting nail embedded wood, plastics and a variety of metals. This blade has 25% more high speed steel for increase life and durability. With all of these features, the Next Generation Wrecker is a true demolition blade for the professional user.