Bosch T118G 5-Piece 3-5/8 In. 36 TPI Basic for Metal T-Shank Jig Saw Blades For sheet metal 17-26 gauge, very thin metals 1/64 In. to 3/64 In. thick (ferrous and non-ferrous) 36 TPI tooth design for smooth cuts in very thin materials High-speed steel construction for maximum life in straight cuts 3-5/8 In. overall length, 2-5/8 In. working length Proper lubricant is recommended when cutting metal Designed for straight cuts For use in sheet metal 17-26 gauge and very thin ferrous and non-ferrous metals 1/64 In. - 3/64 In. Works in Bosch and others T-shank and combination T-U shank jigsaws Wavy set and milled teeth