Consists of the following hole saw sizes: 3/4", 7/8", 1", 1-1/8", 1-3/8", 1-1/2", 1-3/4" (1) 2" Hole Saw, 2-1/8", 2-1/4", 2-1/2", 2-11/16", 3", 3-1//4", 3-3/8", 3-5/8", 3-3/4", 4-1/8", 4-1/2", 4-3/4". Includes 1L Standard Arbor, 2L Standard Arbor, 5L Standard Arbor, and (3) Pilot Drills.