The AX™ with Carbide Teeth, engineered to deliver long life in the toughest applications while being the fastest carbide-tipped recip saw blades on the market. These new blades will deliver 30X longer life over standard bi-metal blades and 2X faster cutting than other carbide blades. The Ax with Carbide Teeth features optimized carbidIn addition, The Ax with Carbide Teeth will feature Milwaukee patented features Nail Guard(tm) and Fang Tip(tm).