Night Latches are used in conjunction with the locking rim cylinder. The rim cylinder is operated from the front of the door and turns the night latch which is fitted to the inside of the door. They are usually used on front doors in conjunction with mortice sashlocks or dead locks. Most night latches are available with a 40mm ( Narrow ) and 60mm ( Standard ) and are available as a standard security lock and a BS 3621 : 2004 kite marked lock.
BS 3621:2004 locks are Insurance Approved to comply with your home and business insurance regulations.