Bosch U345XF 5-Piece 5 In. 5-10P TPI Progressor for All Purpose U-shank Jig Saw Blades All-purpose blade for various materials including wood with nails, plywood, particle board 3/16 In. to3-5/8 In. thick, metal 3/16 In. to3/8 In. thick, non-ferrous metals 5/64 In. to1-1/4 In. thick 5-10 TPI progressive tooth design for fast cuts and longer life in various thicknesses Bi-Metal construction for durability and long life 5 In. overall length, 4-7/32 In. usable length 5 piece pack