Passage Function: Passage door hardware has no locking mechanism. Both the interior and exterior handles are always free making it perfect for hallways, closet doors, and anywhere else a lock isn't needed. Passage door hardware can also be used in conjunction with a deadbolt to secure a back door or entrance. Features: Durable construction ensuring lasting use and beauty Reversible handing installs on left or right handed doors Installs on doors with 1-3/8" to 1-3/4" thickness Includes a round corner latch faceplate Covered under a 10 Year Mechanical and 5 Year Finish Warranty All necessary mounting hardware included for simple installation Specifications: Backset: Adjustable 2-3/8" or 2-3/4" Cross Bore: 2-1/8" Edge Bore: 1" Door Thickness: 1-3/8" to 1-3/4" Handing: Reversible Left or Right Trim Height: 2-9/16" Trim Width: 2-9/16" Handle Length: 4-3/16" Handle Projection: 2-5/16Product Variations: 515-VL: Single Dummy Lever 501-VL (This Model): Passage Door Leverset 502-VL: Privacy Door Leverset 500-VL: Single Cylinder Keyed Entry Leverset