The Torch™ metal-cutting blades with the Double Duty Upgrade™ feature a tooth form optimized for the longest life and maximum durability. Tough Neck™ is engineered to protect against tang breakage and delivers the strongest SAWZALL® blade tang on the market. Grid Iron™ features a stamped honeycomb pattern throughout the body of the blade that greatly increases the rigidity of the blade, making it the stiffest metal cutting SAWZALL® blade on the market. These blades are ideal for making tough, straight cuts. Milwaukee® SAWZALL® The Torch™ Reciprocating Saw Blade, Demolition Straight Back, 9 in Length, 1 in Width, 0.042 in Thickness, 14 TPI, Matrix II Teeth, 1/2 in Tang, Universal/Toothed Edge Tang, Bi-Metal Cutting Edge, Bi-Metal Body, Bright, Applicable Materials: Masonry Material, Most Metal and Wood