The MILWAUKEE 13-Piece Bi-Metal General-Purpose HOLE DOZER Hole Saw Kit is engineered for longer life and faster cutting performance and is the Most Durable Hole Saw. The kit comes with 13 hole saw blades in 9 sizes: 3/4 in., 7/8 in., 1-1/8 in., 1-3/8 in., 1-1/2 in., 1-3/4 in., 2 in., 2-1/8 in. and 2-1/2 in. The hole saws feature RIP GUARD teeth built with more steel behind the cutting edge for added strength. The teeth give increased productivity on the job site and better hole quality. They are also backed by a limited lifetime tooth break warranty. Each HOLE DOZER is coated with a low friction, thermoset paint that provides a faster cutting speed in wood and more holes cut per battery charge. The hole saw kit comes with a Plug Jack featuring an all access slot design that allows for full access during plug removal. The Plug Jack enables access into the cup for both thick thin material removal, eliminating wasted downtime between holes.