10-Piece Reciprocating Saw Blade Wood Metal Cutting Universal 1/2" Shank Outstanding value in 10-piece set of the four most frequently used reciprocating saw blades Hardened & tempered steel for long life performance. Use for cutting wood, steel, PVC, copper, aluminum, plastic Universal 1/2" shank fits all reciprocating saws / sawzall with 1/2" receiver Two 8" wood cutting blades with 7 teeth-per-inch plus four 6" wood blades 7 TPI Two 6-1/2" metal cutting blades 18 TPI and two 6" metal blades 24 TPI. Includes vinyl storage pouch