Product Overview Features and Benefits 17 piece kit includes holesaws 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", 3", Snap-Back Arbor: 2L, and (3) 4321 pilot drill bits in convenient case Up to 2