5-pk., 4-in. 18-tpi Bi-metal Reciprocating Saw Blade

5 Pack,4" 18 TPI, Bimetal Reciprocating Saw Blade, Reinforced Teeth For Increased Durability, Anti-Stick Coating Reduces Friction, Matrix II Steel With 8% Cobalt For Maximum Durability, Raker Teeth Minimizes Vibration, +5°ree. Hook Angle For Fast Cuts Through The Toughest Materials, & Tough Flexible Body Resists Breaking, For Cutting Mild Steel, Under 1/8", Galvanized Pipe, Aluminum Pipe & Channel.