Clarostat RV4LAYSA105A Locking Potentiometer 1 Mega Ohm Lot of 12

Used, in Good Working Condition.
Lot of 12:
3x fiberglass brackets with 4 potentiometers each.
Mounting holes are roughly 9" x 4-1/8" (they don't line up exactly with each other).
All 12 locknuts are present.