Kwikset 660 Series 660 15 SMT Deadbolt, 3 Grade, Keyed Key, Zinc, Satin Nickel, 2-3/8 to 2-3/4 in Backset, KW1 Keyway

660 15 SMT co k6, Kwikset security, satin nickel finish, single cylinder deadbolt, grade 3, round corner adjustable steel latch fits both 2-3/8" & 2-3/4" backsets, round corner strike, keyed alike in sets of 6, lifetime mechanical warranty, lifetime finish warranty, features Smartkey, (ka6) - keyed alike in a case of 6, clear pack.