Bosch T118AF 5-Piece 3-5/8 In. 17-24 TPI Flexible for Metal T-Shank Jig Saw Blades For sheet metal 10-16 gauge, thin metals 1/16 In. to 1/8 In. thick (ferrous and non-ferrous) 17-24 TPI progressive tooth design for smooth cuts in various thicknesses Bi-metal construction for durability and long life 3-5/8 In. overall length, 2-5/8 In. cutting length Proper lubricant is recommended when cutting metal Bosch's break resistant and durable in metal blade. Application: Cuts sheet metal 10-16 gauge, and thin metals 1/16"-1/8". Benefits: Makes straight cuts and has a long life. TPI: 17-24 Overall Length: 3-5/8"