Kwikset 600 Series Deadbolt, Design: Traditional, Security Grade: 3, Number of Cylinders: 2, Cylinder Type: Pin, Tumbler, Keyway Type: KW1, Key Type: Keyed, Strike Type: Round Corner, Strike Size: 2-1/4 x 1 in, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in, Latch Type: Adjustable, Round Corner, Faceplate Size: 1 x 2-1/4 in, Throw Length: 1 in, Cross Bore Diameter: 2-1/8 in, Edge Bore Diameter: 1 in, Door Thickness: 1-3/8 to 1-3/4 in, Interior Locking: Key, Commercial/Residential: Commercial, Residential, Zinc, Satin Nickel, Dimensions: 1-1/16 in L x 2-7/16 in W x 2-7/16 in H, Includes: (2) Keys, Round Deadbolt Strike, Latch and ScrewsFor use on exterior doors where keyed entry and security is neededDeadbolt operated by key on both sidesDeadbolt latch has two interchangeable faceplates, round corner and square cornerLatch has adjustable backset 2-3/8 to 2-3/4 in to fit all standard door preparationsEasily installs in minutes with just a screwdriverMicroban antimicrobial product protection keeps door hardware 99.9% cleaner than unprotected surfaces