Sold As 1 Blade Diamond Grit Sawzall Blade Specifications: TPI:Grit Length:6" *Diamond Grit The Torch" Sawzall Blades Are Ideal For Cutting Cast Iron, Hard Tile, Masonry And Other Abrasive And Hard Materials. Features: *Diamond Grit Delivers Up To 30x Longer Life Than Standard Carbide Grit Blades. The Result Is A Significantly Lower Cost Per Cut. *The Precisely Controlled Size And Placement Of The Diamond Grit Allow These Blades To Cut Up To 2x Faster Than Standard Carbide Grit Blades. *A Thicker, More Rigid Blade Body Resists Fracturing And Bending For Maximum Durability. *The 1" Tall Blade Body Reduces Blade Twisting For Straighter, More Accurate Cuts.