Bi-metal hole saw kit features durable tooth design to cut stronger and last longer.Patented tooth design also resists strippage and breaking. 17 piece set includes: Contains:3/4", 7/8", 1-1/8", 1-3/8", 1-3/4", 2",2-1/2", 2-11/16", 3", 3-5/8", 4-1/8", 4-3/4".Arbors: 2L, 5L, one 4321 pilot drill and one arbor adaptor.
