Featuring 19-pieces, this Hole Dozer Bi-Metal Hole Saw Set is built with solid steel for exceptional durability. Each set includes 14 different hole saw 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., 2-1/4 in., 2-1/2 in., 2-5/8 in., 3 in., 3-5/8 in., 4-1/8 in. and 4-3/4 in. Milwaukee SHOCKWAVE Impact Duty driver bits are engineered to be the most durable, best fitting driver bits on the market. The optimized Shockzone geometry is unique for each tip type to provide up to 30X longer life and absorb 3X more torque versus other impact bits. SHOCKWAVE driver bits are built to deliver extreme durability for the most demanding applications. SHOCKWAVE Impact Duty driver bits can be used in impact drivers or drill drivers.