Lenox Tools 20335BT450J U-Shank Bi-Metal Fine Wood Cutting Jig Saw Blade, 4-Inch x 5/16-Inch x 10 TPI, 2-Pack Super sharp to cut fast without deflection Smooth Finish Ground to precision sharpness for straight cuts and a smooth finish Ideal for Woodworking Designed for optimal performance in wood cutting, including hardwoods