Yale 85 / 89 Deadlocking Nightlatch
The Yale Deadlocking Nightlatch front door lock offers high security and is covered by a 2 year guarantee. Suitable for left & right handed, and inward opening doors with a thickness of up to 57mm. Deadlocked by a reverse turn of the key in the outside cylinder after closing the door. The perfect deadlocking nightlatch for any door, it also has the following features:
- 40mm or 60mm Backset
- Inside handle can be deadlocked by a reverse turn of the key in the outside cylinder after closing the door
- Snib to deadlock or hold back the latch
- Deadlocked by the snib button internally, making the lock inoperable by key or handle
- Anti-bump
- Supplied with 1109 cylinder in Brass
- 2 keys supplied
- High security
- 2 year guarantee
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