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. 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. This 20 Piece Saw Blade Set includes a 10-Piece SAWZALL Blade Set and two 5-Packs of SAWZALL Medium Metal Cutting Blades for a wide range of cutting applications. Milwaukee SAWZALL Blades feature an optimized tooth design that provide a longer life over standard bi-metal blades and are ideal for fast, flexible cuts. The 10-piece set comes with an innovative job site durable case for convenient blade storage. The thin kerf metal-cutting blades with the Double Duty Upgrade feature Tough Neck to protect against tang breakage and deliver the strongest SAWZALL blade tang on the market.