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: Beautifully finished to complement your decor Crafted of high quality crystal and solid brass for lasting durability Easily reversible handing for your convenience All necessary mounting hardware in included Includes a 5 year limited manufacturer warranty Product Technologies: Solid Brass Construction: This product begins with raw bars of solid brass which are heated, and pounded into specially made dies"”producing a stronger, more substantial product. The difference between lesser metals and heat forged brass is noticeable the minute you hold it in your hands"”solid brass is heavier, smoother, and naturally resists corrosion. Specifications: Backset: 2-3/4" Cross Bore: 2-1/8" Door Thickness: 1-3/8" to 1-3/4" Handing: Reversible Knob Height: 2-1/4" Knob Width: 2-1/4" Knob Projection: 2-1/4" Trim Height: 2-1/2" Trim Width: 2-1/2" Product Weight: 3 lbs. Material: Solid Brass and Crystal