These black cast iron door handles with locks are a popular choice, suitable for any room of the house or office. The door handles internal are mostly used for bedrooms and offices as they are designed for any doors that require locking. The interior door handles are used with a sash lock (not supplied) to allow opening and closing of the doors and a locking mechanism. These gothic internal door handles are a popular choice, suitable for any room of the house or office. The old fashioned door handles internal are mostly used for bedrooms and offices as they are designed for any doors that require locking. The epoxy black finish and the Georgian rope border of the backplate gives a traditional yet stylish look that will complement any interior décor. Fixing the internal door handle sets merely involves screwing each handle to the sides of the internal door with the fixings supplied. This pack includes 6 fixing screws and one spindle bar. The mortice sashlock is not supplied. The spindle can be cut to size according to your liking for ease of installation.