The Evolution Diamond Demolition Disc Cutter Blade is the ultimate multi-material saw blade. Its packed with coarse-grain diamond cutting power to help you slice through masonry, rebar reinforced slab, mild steel and non-ferrous metals, as well as new or reclaimed wood. It will tackle any construction cutting task. Whether youre putting buildings up or knocking them down, you need a powerful saw that you can rely on, with a blade that outlasts the competition to make quick and easy cuts. Its built for long life, harsh working conditions and the toughest cuts. Offers up to 30x longer blade life than abrasive discs when cutting metal. Its diamond cutting edge is incredibly tough and can make over 1,000 cuts through steel. Cooling holes close to the edge expel heat to maintain optimum cutting performance. Cleaner & Safer: The steel body wont shatter, unlike abrasives, which can cause serious injury. Less dust, fewer sparks and less odour vs abrasive discs make this a safer cutting