Hole Saw Door Lock Installation Kit, Bi-Metal

Bi-metal, hole saw door lock installation kit, can be used on both wood & metal doors, kit includes 1" & 2-1/8" bi-metal hole saws, arbor, arbor adapter, 2 adjustable bushings & drill guide, alignment window & taller bushings deliver accurate height placement & straight drilling, adjustable bushings accept both standard backsets & door thickness, utilizes c-clamp design for tool free clamping.