Mortise Keyed Lockset - Right Hand - Polished Brass US3 Finish - 2-1/2" Backset - 2 SC1 Keys

Heavy Duty, Precision Engineered Construction Solid Brass Cylinder and 2 Keys Included With Each Lock Compatible with Door Thickness Between 1-3/8" - 2" Includes a Ball Doorknob With Surface-Mounted Knob-Plate Trim Face Plate Size on Edge of Door: 1-1/8" X 7-5/8", 2-1/2" Backset - Knobs Attached Permanently to Faceplate - Trim is Designed for Quick Installation.