Lewis Hyman 1732105 Atlas Bronze Privacy Straight Door Lever With Door Latch, Oil Rubbed Bronze DOOR LOCKS: The Atlas door locks have a 4-way latch with 1/4 in. radius mortise or drive-in. The Atlas Latch backset is adjustable from 2-3/8" to 2-3/4".They are mainly used where privacy is needed, you can lock this door lever from the inside by a pushbutton or thumb turn, or unlock from outside in an emergency with a tool DOOR LOCK FITS: The door locks fit a 2-1/8" diameter bore and 1-3/8" to 1-3/4" thick door MODERN DOOR HANDLES: The Atlas straight door levers are traditional in style, have an expensive look and are value priced RECOMMENDED ROOMS: The Atlas Passage door locks are for hallways, closets, pantries and laundry rooms that do not need a lock WARRANTY: The Atlas Oil Rubbed Bronze with 10-year mechanical warranty INSTALLATION: All hardware and instructions included - watch our tutorial video in the image gallery or on YouTube