THE TORCH™ metal cutting SAWZALL® blades with Double Duty Upgrade™ feature an optimized tooth design for maximum life and durability. Tough Neck™ is engineered to protect against tang breakage and delivers the strongest SAWZALL® blade tang on the market. Grid Iron™ features a honeycomb pattern stamped into the body of the blade that dramatically increases blade rigidity, making it the most rigid metal cutting SAWZALL® blade on the market. These blades are ideal for making tough, straight cuts.