Schlage, F40-AND-ADD, Privacy, Addison, Knobset, Schlage Works for You Features: Adjusts to fit all standard door preparations Easy installation makes for a one-person project Interior screws are exposed ANSI/BHMA A156.2, 2011, Grade 2 Non handed and field reversible which means this knob set can be installed on right and left handed doors. Faceplates (Part 16-080): Supplied with 1/4 Round Corner and Drive-In Faceplates Strike Plates (Part 10-027): Supplied with a Round Strike with Dimensions of 2-1/4 x 1-5/8 Lifetime Mechanical and Finish Warranty (Finish warranty does not include Oil Rubbed Bronze because it is a living finish and will patina over time) Product Technologies: Privacy Function: Schlage's privacy door knob sets are locked from the interior using a push button lock on the interior handle with a small pin hole to unlock the handle from the outside. Privacy knobs are ideal for bathrooms, bedrooms, or anywhere a locking door is desired but a keyed cylinder isn't necessary. Specifications: Backset: Adjustable to 2-3/8 or 2-3/4 Cross Bore: 2-1/8 Edge Bore: 7/8 Door Thickness: 1-3/8 or 1-3/4 Handing: Left, Right, Reversible Knob Diameter: 2-1/4 Projection: 2-5/16 Product Weight: 1.55 lbs Additional Functions: F10-AND-ADD: Passage Knobset F40-AND-ADD (This Model): Privacy Knobset F51-AND-ADD: Keyed Entry Knobset F170-AND-ADD: Single Dummy Knob For over 90 years, Schlage has been making homes more stylish and secure with the best door locks and door hardware. Today the Schlage family of products also includes the very best in electronic locks, keyless door locks, and home security. Let Schlage's hardware and security solutions protect and enhance the things that matter most to you.