Reversible for left or right hand. Manufactured of zinc with satin nickel (15) finish and Venetian bronze (11P) finish. Packaged with an adjustable latch for 2 3/4" or 2 3/8" backset square face plain latch, radius corner latch and strike (RCL/RCS). Set screw allows lever to fit right or left hand doors. For bedroom and bathroom doors. Turn button on interior knob. Turning button locks both knobs. Lock may be opened by emergency entry key in exterior knob. Constructed of die cast zinc. Grade 2 construction for superior durability and quality performance. Full 50 year mechanical warranty. 10 year finish warranty.