Privacy Function: Privacy door hardware features a locking mechanism on the interior for use on bedroom and bathroom doors where locking is needed. The exterior side features a small pin hole to unlock the door hardware from the outside. Features: Solid brass rosette with lead crystal door knob Handing is reversible for left or right handed doors Perfect for restoration and easy to install on modern pre-drilled doors Covered by a 5 year limited manufacturer warranty Does not meet criteria of the American’s with Disabilities Act (ADA) Hand assembled in the United States Product Technologies: Solid Brass Construction: Nostalgic Warehouse backsets and rosettes are forged from a solid piece of brass. This process yields a denser, stronger and higher quality product that can better display intricate designs than casted door hardware. Genuine Crystal: Nostalgic Warehouse crystal knobs are constructed of at least 24% lead crystal. Crystal is both stronger and more reflective than glass; displaying a bright sparkle and rainbow prism effect. Specifications: Backset: 2-3/8" Cross Bore: 3/4" Edge Bore: 1" Door Thickness: 1-3/8" to 1-3/4" Handing: Reversible Left or Right Handle Height: 2-1/8" Handle Width: 2-1/8" Handle Projection: 2-1/4" Trim Height: 8-1/4" Trim Width: 2-7/8" Latch Faceplate: Square Corner Material: Brass, Crystal Product Weight: 4 lbs.