Kwikset Entry Door Lock, Knob Handle, Matte Black, Zinc, Keyway Type: KW1, Re-Key Technology: Smartkey, Commercial/Residential: Commercial, Residential, Security Grade: 3, Door Handing: Left, Right, Interior Locking: Turn Piece, Includes: Two Keys, Design: Cove, Key Type: Keyed, Cylinder Type: 5-Pin Tumbler, Door Thickness: 1-3/8 to 1-3/4 in, Backset Type: Adjustable, Backset Size: 2-3/8 to 2-3/4 in, Edge Bore Diameter: 1 in, Cross Bore Diameter: 2-1/8 in, Strike Type: Round Corner, Strike Size: 2-1/4 in, Latch Type: 6-Way Adjustable, Throw Length: 1/2 in, Projection Size: 2-1/2 in, Faceplate Size: 1 x 2-1/4 in, Screw MountingFor use on exterior doors where keyed entry and security is neededUniversal handing – fits both right handed and left handed doorsLatch has three interchangeable faceplates – round corner, square corner and drive-in collarLatch has adjustable backset 2-3/8 to 2-3/4 in to fit all standard door preparationsLocking mechanism functions with turn piece on the interior of the lockEasily installs in minutes with just a screwdriver