For table and radial arm saws, cuts wood and wood-related products. Fits most full-size 8", 9" and 10 table saws with a5/8" arbor.  Easy adjustable hub for changing cutting widths. Precision-sharpened, industrial-grade carbide tips for clean cutting and long life. Cuts clean dadoes and grooves in these widths: 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16". Not for use on saws with an arbor less than 1-3/8" .