This kit includes everything you need to install a door lock. It consists of a 1 inch hole saw, a 2-1/8 inch hole saw (both with 4/6 tooth configuration), a 3/8 inch hex arbor, the arbor spacer and adapter. The 4/6 tooth design with varying tooth sets and gullet depths provides a more efficient chip clearance and less heat build up, and requires less feed pressure to accomplish the drilling of the holes.

• Consists of 1 in. and 2-1/8 in. 4/6 tooth Hole Saw, 3/8 in. hex arbor, arbor spacer and arbor adapter.