Task Tools T22405 8-1/2-Inch Hard Body Carbide Saw Blade, Fine Finish 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: 8-1/2 inches diameter, 60 teeth, 5/8-inch arbor