5 Piece, T-Shank, Wood & Metal Cutting, Jig Saw Blade Set, For General Purpose Woodworking & Metals, Ferrous & Non-Ferrous, Plastics, Good For Detailed Woodworking & Light Metals, T-Shank Design For Maximum Grip & Stability, Set Includes: 4" 10 TPI, 4" 5-6 TPI, 3-/14" 12 TPI, 4" 10 TPI & 3-5/8" 17-24 TPI Jig Saw Blades.