Kwikset Keyed Entry Door Handle, Lever Handle, Satin Nickel, Metal, KW1, SC1 Keyway, Re-Key Technology: SmartKey Security, Residential Commercial/Residential, AAA Grade, Door Handing: Universal, Turn-Piece Interior Locking, Includes: (2) Keys, Suitable for: Exterior Doors, Contemporary Design, Keyed Key, 1-3/8 to 1-3/4 in Door Thickness, Adjustable Backset, 2-3/8 to 2-3/4 in Backset, 1 in Edge Bore Diameter, 2-1/8 in Cross Bore Diameter, Round Corner, Square Corner Strike, 1-3/4 to 2-1/4 in Strike, Adjustable Latch, 1/2 in Throw Length, Projection: 2-1/4 in, Dimensions: 2.68 in H x 4.21 in W x 2.25 in DDesigner style and great security with this Kwikset Signature Series productFor use on exterior doors where keyed entry and security is neededFeaturing SmartKey Security, which protects against advanced break-in techniques and allows you to re-key your lock yourself in secondsSmartKey Security re-key technology is compatible with Kwikset (KW1) keyway or (SC1) keyway optionsLatch has 2 interchangeable faceplates, round corner and square cornerCertified highest residential security, durability and finishLatch 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 lockFully reversible lever, can be installed on both right handed and left handed doors