The Torch, 9", Diamond Grit, Sawzall Blade, Delivers Up To 30 Times Longer Life Than Standard Carbide Grit Blades, The Precisely Controlled Size & Placement Of The Diamond Grit Allow These Blades To Cut Up To 2 Times Faster Than Standard Carbide Grit Blades, A Thicker, More Rigid Blade Body Resists Fracturing & Bending For Maximum Durability, The 1" Tall Blade Body Reduces Blade Twisting For Straighter, More Accurate Cuts, Ideal For Cutting Cast Iron, Hard Tile, Masonry & Other Abrasives & Hard Materials.