Lockwood Universal Primary Lock 23mm Backset - 3782SSLockwood Selector 3782SS universal mortice lock Product Code: 3782SS Description The new Selector 3780 series mortice lock was designed to incorporate a greater range of lock functions into one primary lock. In addition to industry first holdback capable lock, the Selector 3780 series also includes an selectable anti lockout feature. All handing setting (Passage, Combination or Escape) can be adjusted via the hub selector located under the face plate.