Single Cylinder Keyed Entry: Single cylinder handlesets are keyed on the exterior with an associated thumbturn on the inside that unlocks the door. The exterior handle has a thumb plate and the interior handle features a lever or knob. Single cylinder locks are most commonly used to secure entrances to a residence or place of business. Features: Constructed of brass for lasting durability Installs easily with all necessary mounting hardware included Covered by a Emergency egress feature means the interior handle unlocks both the latch and deadbolt with a single turn Two keys will be per lock. Three or more items keyed alike will ship a total of 6 keys Specifications: Backset: Adjustable 2-3/8" or 2-3/4" Cross Bore: 2-1/8" Edge Bore: 1" Door Thickness: 1-3/4" Handing: Reversible Latch Faceplate: Round Corner Cylinder: 5 Pin C Keyway Material: Brass Grip Center to Center: 6-1/2" Overall Height: 17-1/8" Handle Height: 7" Handle Projection: 2-5/16" Trim Height: 17-1/8" Trim Width: 3-5/16" Interior Handle Height: 2-3/8" Interior Handle Width: 2-3/8" Interior Handle Projection: 3"