With crisp lines and transitional styling, the Willow Park handleset adds a sophisticated flair to your entry. Function (Handleset): Single cylinder handlesets and deadbolts are keyed only on the exterior with an associated thumb turn on the inside that can quickly and easily lock or unlock the mechanism. Single-cylinder locks are most commonly used in residential locations due to safety and ease of use. Interior trim pack sold separately. For more information refer to our FAQ, or shop our available selection. Features an adjustable backset of 2 3/8 inches or 2 3/4 inches. Fits doors from 1 3/8 inches to 1 3/4 inches thick. All hardware required for mounting is included. Choice of the keyway, for more information, refer to our FAQ.