The 17 Piece MILWAUKEE HOLE DOZER Saw Set is engineered for longer life and faster cutting performance and is the most durable hole saw. Each of the 17 hole saws feature RIP GUARD teeth built with more steel behind the cutting edge for added strength and are backed by a limited lifetime tooth break warranty. The hole saws have a durable bi-metal construction for increased wear resistance. Each HOLE DOZER blade 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 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 cuts. The kit comes with 17 hole saw blades in 9 sizes: 3/4 in., 7/8 in., 1-1/8 in., 1-3/8 in., 1-1/2 in., 2 in., 2-1/8 in., 2-1/4 in. and 2-1/2 in.