Builder box pack. Packaged with a 2-3/8" backset square face deadlatch, 2-3/8" backset 1/4" radius deadlatch (RCL/S), or 2-3/4" backset square face deadlatch. Entry backset for keyed exterior doors. Key from exterior and turn button from interior will lock or unlock exterior knob or interior knob. Full 10 year mechanical warranty. 5 year finish warranty. Keying information: K3 - keyed alike set of 3.