AN 5672 Clamping Heads are usually used in conveyor systems to affix adjusting rods. They are typically mounted to a side bracket, but can be assembled where needed on the conveyor.
See also AN 5670 Clamping Head with Threaded Eye Bolt Top Side and AN 5671 Clamping Head with Threaded Eye Bolt Bottom Side.
To order accompanying Star Knob, see AN 5662 and order part number A8120571.