Thin Kerf metal-cutting blades with the Double Duty Upgrade feature a tooth form that is optimized for the longest life and increased speed. Tough Neck is engineered to protect against tang breakage and delivers the strongest SAWZALL® blade tang on the market. Ice Hardened blades are cryogenically treated for up to 50% longer life. Maintaining a short profile and thin body, these blades are ideal for making fast, flexible cuts. Milwaukee® wood cutting SAWZALL® blades have been engineered to deliver the fastest cuts, longest life, greatest tooth durability and quickest plunge cuts of any wood blade on the market.