The AX with carbide teeth has been engineered to deliver long life in the toughest applications. These blades will deliver 30X longer life of standard bi-metal blades and 2X faster cutting than other carbide blades. Feature optimized carbide tipping technology that delivers extreme life. A fast, aggressive blade design allows for cutting in nail-embedded wood and a wide range of residential material. Features Nail Guard to allow the user to rip nails - not teeth, and the Fang Tip provides fast plunging. Optimized for cordless reciprocating saws.