The RYOBI Wood Door Lock Installation Set provides easy installation of locksets and deadbolts in 3 simple steps: Set, Drill and Install. The Auto-Strike Locator allows the door lock and strike plate to be positioned accurately with no measurements required. This set is compatible with standard backsets, 2-3/8" and 2-3/4", and common door thicknesses, 1-3/8" and 1-3/4". The included spade bit guide easily centers the latch bore for precise placement. Complete all your door installation projects with ease by collecting our door installation products, guiding and providing you a solution every step of the way. The RYOBI Wood Door Lock Installation Set includes Door Lock Bracket with Auto-Strike Locator, Carbon Hole Saw (2-1/8"), Arbor with Pilot Bit, 1" Wood Spade Bit, Spade Bit Guide, Drill Bit (3/32").