Bi-metal hole saw kit features durable tooth design to cut stronger and last longer.Patented tooth design also resists strippage and breaking. 10 piece set includes: includes 7/8",1-1/8", 1-3/4", 2", 2-1/2" hole saws.Arbors: 2L, 5L.One 4321 pilot drill. One arbor adaptor.
