Kwikset Arlington Double Cylinder Handleset w/Lido Lever featuring SmartKey in Antique Brass Designer style and superior security with this Kwikset Signature Series product For use on exterior doors where keyed entry and security is needed Featuring SmartKey re-key technology; re-key the lock yourself in seconds in 3 easy steps Fully reversible interior lever; fits both right handed and left handed doors Features an adjustable latch to fit all standard door preparations