89 Deadlocking standard nightlatch


  • Backset  60mm
  • Inside handle can be deadlocked by reverse turn of key in outside cylinder after losing the door
  • Snib function enables the latch to be held back
  • Deadlocked by the snib button internally, making the lock inoperable by key or handle
  • High security anti-bump cylinder



  • Suitable for both left and right handed,
  • For inward opening doors up to 57mm thick.
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