The Kirkpatrick 814 381mm (15\") Tee Hinge Black Antique are traditionally used on ledged and braced doors with either a thumb latch or rim lock. Typically the hinges will be fitted to the braces; however they can also be fitted to the ledged side of the door. We would recommend that the hinge length used is about 50 to 60% of the door width. This gives a pleasing aesthetic appearance and allows the hinge to fully support the door. By choosing Kirkpatrick malleable iron products you can be assured that you are purchasing products which are both functional and highly decorative a...