Bosch U123X 5 pieces 3-5/8 In. 10-24 TPI Progressor for Metal U-Shank Jig Saw Blades 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 5 piece pack