9", 5 TPI, Carbide Ax Sawzall Reciprocating Saw Blade With Carbide Teeth, Engineered To Deliver Long Life In The Toughest Applications, Optimized Carbide Tipping Technology That Delivers Extreme Life, Fast, Allows For The Fastest Cutting In Nail Embedded Wood & A Wide Range Of Residential Material, Nail Guard & Fang Tip, Optimized For Cordless Reciprocating Saws Delivering Over 25% More Cuts Per Charge.