Kwikset featuring SmartKey Storeroom Vestibule Knob Feat in Polished Brass  450P 3 SMT 6AL RCS For use on storeroom doors where keyed entry and security is needed Featuring SmartKey re-key technology; re-key the lock yourself in seconds in 3 easy steps Universal handing; fits both right handed and left handed doors Fits door thickness of 1-3/8" to 1-3/4" Features an adjustable latch to fit all standard door preparations