The ERA Double Locking Nightlatch door lock is ideal to replace most existing front door locks, especially suited to glass panelled doors. Suitable for inward opening timber doors, the ERA Double Locking Nightlatch is available in a range of finishes and is supplied with three cut keys to operate the nightlatch externally. The ergonomic internal locking handle, which can be deadlocked by an anti-clockwise turn of the key from the inside to offer additional security against forced entry. The main bolt is automatically deadlocked into the striker, when the door is closed, preventing it from being retracted by a credit card. A simple snib button enables the latch to be held in the withdrawn position (only), allowing the door to be accessible without operating the handle. The non handed design, enables it to be fitted to left or right handed doors, by simply rotating the door lock. The striker is designed with a 3 hole fixing for additional strength and security. The ERA Double Locking Nightlatch is available in either a 40mm or 60mm backset (measured from the edge of the door to centre of keyhole/ handle). All screws are included. 1 Year mechanical guarantee.