Task Tools T22420 7-1/4-Inch Hard Body Metal Cutting Carbide Saw Blade, Ferrous and Non-Ferrous with 5/8-Inch Arbor Hardened steel blade body with tension ring resists deflection and runs true Heat expansion slots prevent warping for laser-straight cuts Corrosion resistant coating for easy storage For years of excellent performance Size: 7-1/4 inches diameter, 36teeth, 5/8-inch arbor