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. Comes with Emergency Egress function which features an interconnected lock to simultaneously retract the deadbolt and door latch to quickly open your door. Features: Tested to exceed ANSI/BHMA Grade 2 security requirements Constructed of solid brass for durability and premium feel Accommodates door thickness 1-3/4" to 2"; up to 2-1/2" with purchase of a thick door kit Limited Mechanical and Limited 25 Year Finish 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" to 1-7/8" Handing: Right Latch Faceplate: Drive-In, Round Corner, or Square Corner Cylinder: 5 Pin C Keyway Material: Brass Grip Center to Center: 8-3/8" Overall Height: 17-1/2" Handle Projection: 2-3/8" Trim Height: 17-1/2" Trim Width: 2-11/16" Interior Handle Projection: 2-5/16" Interior Handle Length: 4-1/4"