4-3/4 Inch Hole Dozer Bi-Metal Hole Saw BladeProduct Details:Features Rip Guard, the strongest tooth form in the industryEach tooth is built with more steel behind the cutting edge for added strengthThe added tooth strength along with 8 percent cobalt give added life to the teethIncludes Plug Jack, an all access slot design that allows for full access during plug removalMilwaukee49-56-0237