ERA® BS3621:2007 Double Locking Nightlatch.
This British Standard high-security Nightlatch complies with BS3621:2007 and falls in line with the new European Standard (BS EN 12209).
It’s designed with an internal lockable handle, offering added security against forced entry.
Fire escape version available.
Available in Brass, Satin and Chrome.
Available in 60 mm and 40 mm backset, backset is the measurement from the edge of the door to the centre of the keyway.
The operation is by key from the outside and by the handle from the inside.