Features and Benefits:�Optimized tooth design providing 2X more life than our previous generation �SAWZALL® blades Tough Neck™ ribs strengthen the blade tang and minimize breakage �Grid Iron™ honeycomb pattern increases blade rigidity to resist blade buckling 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.PRODUCT SPECIFICATIONSPack Qty 5 PackLength 6"TPI 10Material Scheduled 80 Pipe|Threaded RodShank 1/2" UniversalProfile DemoGREAT BLADES!If you carry one blade in your box make it this one+ Pros: Easy To Use, Fast Cutting Speed, Good Design, Good Power Output, Safe