Kwikset Handleset Interior Trim, Design: Cove, Traditional, Security Grade: 3, Knob Handle, Door Thickness: 1-3/8 to 1-3/4 in, Backset Size: 2-3/8 to 2-3/4 in, Number of Cylinders: 1, Key Type: Keyed, Re-Key Technology: SmartKey, Cross Bore Diameter: 2-1/8 in, Edge Bore Diameter: 1, Projection Size: 2-1/2 in, Commercial/Residential: Residential, Door Handing: Left, Right, Zinc, Matte Black, Screw Mounting, Suitable for: Signature Series 800 and 814 Handlesets, Includes: Deadbolt, Thumbturn, Latch, Strike and Mounting HardwareFor installation with Kwikset handlesetsUniversal handing – fits both right handed and left handed doorsLocking mechanism functions with turn piece on the interior of the lockEasily installs in minutes with just a screwdriverMicroban antimicrobial product protection keeps door hardware 99.9% cleaner than unprotected surfaces