Lenox Tools 20330BT518J U-Shank Bi-Metal Medium Metal Cutting Jig Saw Blade, 5-1/4-Inch x 3/8-Inch x 18 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 Cutting Metal Designed for optimal performance in Medium Metal