Task Tools T22403 8-1/4-Inch Hard Body Carbide Saw Blade, Laminate and Non-Ferrous Metal 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: 8-1/4 inches diameter, 40 teeth, 5/8-inch arbor