Hole Dozer General Purpose Bi-Metal Hole Saw Set W/SHOCKWAVE Impact Duty Steel Driver Bit Set (65-Piece)Milwaukee Holesaw & SHOCKWAVE Driving bit set 65 piece. The kit comes with 20 hole saw blades in 13 sizes: 3 4 in., 7 8 in., 1 in., 1 3 8 in., 1 1 2 in., 1 3 4 in., 2 1 8 in., 2 5 8 in., 3 in., 3 5 8 in., 4 in., 4 1 4 in. and 4 1 2 in. SHOCKWAVE 45 piece Impact Driver Bit Set is engineered to be the Most Durable, Best Fitting driver bits on the market. For additional durability, this hole saw features RIP GUARD teeth constructed with more steel behind