Hole Dozer hole saws feature Rip Guard, with strong tooth form and backed by Rip Guard, a limited lifetime tooth break warranty. Each tooth is built with more steel behind the cutting edge for added strength. The added tooth strength along with 8% cobalt give added life to the teeth, allowing for increased productivity on the job site, as well as continued hole quality. Hole Dozer includes Plug Jack, an all access slot design that allows for full access during plug removal. Plug Jack gives access lower into the cup for thick material and higher towards the teeth for thin material. With multiple positions to apply leverage and better plug access, Plug Jack increases productivity and eliminates wasted downtime between holes. For fast, tool-free change-outs, use Milwaukee's universal quick-change arbors 49-56-7210, 49-56-7240, 49-56-7250 and 49-56-9100. Includes (1) each bi-metal hole saw: 3/4 In., 7/8 In., 1 In., 1-1/8 In., 1-1/4 In., 1-3/8 In., 1-1/2 In., 1-3/4 In., 2 In., 2-1/8 In., 2-1/4 In., 2-1/2 In., 3 In.; (1) each Hole Dozer bi-metal hole saw: 2-5/8 In., 3-1/4 In., 3-3/8 In. 3-5/8 In., 3-3/4 In., 4-1/8 In., 4-1/4 In., 4-1/2 In., 4-3/4 In.; (1) 3/8 In. hex shank arbor; (1) 7/16 In. hex shank arbor; (1) 7/16 In. no wobble arbor; (3) 3-1/2 In. pilot bit, (1) 1/8 In. hex key.