12" 6 TPI, Reciprocating Saw Blade, Reinforced Teeth For Increased Durability When Cutting Through Nails & Other Foreign Objects, +6°ree. Hook Angle For Fast, Aggressive Cuts, Specially Formulated Anti-Stick Coating Minimizes Friction, Raker Teeth Design Keeps Blade In Cut Minimizing Vibration, Used For A Wide Variety Of Applications From Pruning Trees To Tearing Down Walls & Cutting Wood, Bulk.