These handles provide latching for internal doors where privacy locking is required. They are used with a bathroom door lock (not supplied) to allow opening and closing of the doors and a thumb operated locking mechanism. This ensures locking of the door whilst inside the toilet/restroom, preventing unwanted access. The Pair of Door Handles comes complete with Spindles, Screws, Thumbturn and a 2.5" mortice bath lock. They are suitable for all types of indoor bathroom wooden doors. The dimensions of the backplate are approximately 150 mm x 40 mm the Scroll handle is approx 100mm with a good solid thickness that just by looking at it says QUALITY. Whether you're a professional tradesman or D I Y enthusiast in hardware for home improvements, they are an essential feature for any door, including modern and traditional homes, offices and shops.