Bosch U101AO3 5-Piece 3-1/4 In. 20 TPI Clean for Wood U-shank Jig Saw Blades Pointed teeth reduce splintering on both sides of the workpiece For use on double-sided laminates, laminated substrates, mdf, hard and soft woods, and plywood 20 TPI pointed tooth profile and narrow blade body optimized for clean, curved cuts and scrolling High carbon steel construction for long life in wood 3 piece pack Clean for Wood blades ensure fine, clean cuts in a variety of materials 1/4 In. universal shank (U-shank) blades are suitable for jig saws from Skil, Black & Decker and others Designed for curved cutting-pointed teeth for splinter free cuts on both suts of the workpiece. For use on double sided laminates, laminated particleboard, mdf, hard/soft woods, plywood and plastics 5/64 inch to 3/4 inch