Milwaukee HOLE DOZER™ 9-PC Hole Saw Kit w/ Carbide Teeth a 3 TPI design that delivers fast cuts without compromising durability. These hole saws are for cutting through stainless steel, cement board, and other tough materials. The blades feature All-Access Slots that make plug removal easy, while deep gullets ensure quick material removal. The slot design also enhances visibility for precise placement and promotes fast chip ejection to keep the cut cool. This comprehensive kit includes five hole saws in various sizes, large and small arbors with cobalt pilot bits, and two additional pilot bits to cover a wide range of applications. Model Number: 49-22-3079