Single cylinder handle set, The best grade 3 security you can buy, Solid metal construction for superior strength and performance, Adjustable latch and deadbolt, fits 2-3/8" or 2-3/4" backsets, 1-5/8" x 2-1/4" latch strike, radius corner, full lip, no box strike, 1-1/8" x 2-3/4" deadbolt strike, square corner with steel door frame reinforcer to protect against forced entry attacks, Spring latch is 1" x 2-1/4" triple option latch with square corner, 1/4" round corner and circular drive-in faceplates, 1" housing diameter, and 1/2" throw, Deadbolt latch is 1" x 2-1/4" triple option bolt with square corner, 1/4" round corner and circular drive-in faceplates, 1" housing diameter, and 1" throw, 5-pin, C keyway, keyed different cylinder, Three brass cut keys per lock, 5-pin, C section.