706-4  - Key unlocks Trim, Trim retracts latch/Trim relocks when key is removed (accepts a Sargent #41 Cylinder)
710-4  - Dummy Trim: No outside operation (No Cylinder)
713-4 - Classroom: Key Outside Unlocks/locks Trim (accepts a Sargent #41 Cylinder)
715-4 - Passage Only (No cylinder)
773-4 - Fail-Safe: Power Off, Unlocks Lever 
774-4 - Fail Secure: Power Off, Locks Lever