Bosch T123X 5 pieces 4 In. 10-24P TPI Progressor for Metal T-Shank Jig Saw Blades T-Shank Progressor jig saw blades for fast cuts and long life Multi-purpose blade for thin metal, pipes, metal profiles, sheet metal up to 8 gauge, metal 5/64 inch to 3/8 inch thick, stainless steel 1/16 inch to 1/8 inch thick, non-ferrous metal 5/64 inch to 3/4 inch thick, plastics 1/16 inch to 1-1/4 inch thick, fibreglass 3/64 inch to 3/4 inch 10-24 TPI progressive tooth design for fast cuts and longer life in varied thicknesses HSS construction for long life 4 In. overall length, 3 In. working length 5 Blades in Package 4-Inch length Progressor metal blade Teeth milled and side set Cut 13/16 to 2-5/16-Inch