Yale Deadlocking Nightlatch - 85/89

Yale Deadlocking Nightlatch - (85/89)

• ​Inside handle can be deadlocked by a reverse turn of the key in the outside cylinder after closing the door
• Key operation from outside and lever handle on the inside
• Snib function enables the latch to be held back
• Latch can be deadlocked by the snib button internally, making the lock inoperable by key or handle
• Suitable for both left and right handed, inward opening doors up to 57mm thick. 
• 85 Series - 40mm Backset - Recommended for doors where there is a restricted width to mount a lock.
• 89 Series - 60mm Backset - For doors with no restriction on width.
• Supplied with an 1109 cylinder

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