Satin Nickel Round Ball Door Lock - Passage Model No. 10126DC Features: * Series: Marina * Color: Satin Nickel * Reversible for left or right hand doors * Fits doors 1-3/8" to 1-3/4" thick * Latch is adjustable 2-3/8" or 2-3/4" backset * Matching latch and strike plate have rounded corners * Meets ANSI grade 3 specifications * 25 Year Mechanical and 5 Year Finish Warranty Common Definitions: * Passage = Does not lock on either side. * Privacy = Locks on one side. * Dummy = For doors with alternative latching methods. * Entry (Keyed) = Locks from inside manually and uses a key on the exterior. Includes two keys. * Handleset (Exterior) = Typically used for front entry doors. Comes with interior trim knob and single-cylinder deadbolt with two keys. * Handleset (Trim) = Changes the inside handle to match your interior knob or levers. * Single Cylinder Deadbolt = Manually locks from the inside and uses a key. Includes two keys.