12", 7 TPI, Carbide, Torch, 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 Hard Metal & A Wide Range Of Construction Material, Optimized For Cordless Reciprocating Saws Delivering Over 25 Percent More Cuts Per Charge.