Kwikset 405DNL 26D Dorian Entry Lever, Satin Chrome For use on exterior doors where keyed entry and security is needed Features an adjustable latch to fit all standard door preparations ANSI/BHMA grade 3 certified Includes adjustable backset to fit all standard door preperations 1/2 in. latch throw For use on exterior doors where keyed entry and security is needed Features an adjustable latch to fit all standard door preparations ANSI/BHMA grade 3 certified Includes adjustable backset to fit all standard door preparations Fully reversible lever, can be installed on both right handed and left handed doors