http://tinyurl.com/mqcc68z<P>MK Morse Hole Saw ATCG68 4-1/4-Inch Diameter Tungsten GritProduct Review<P> Click on the link for more reviews<P>Super resistance to heat, wear and abrasion with shock resistant back<P>Tungsten carbide grains are bonded to alloy backs with a gulleted snag resitant edge<P>Maximum Cutting Depth 1-1/2 Inch<P>1 Hole Saw Per Box<P>
