Hole Saw Kit, 17 Piece, Bi-Metal Construction, 5/8" to 3", with 2 Arbors, Pilot Drill, in Case Bi-Metal hole saws. Includes 6 hole saws, 2 arbors, an extra pilot drill & soft sided case. Sizes: 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-3/4", 2", 2-1/2", and 3".