This is what you’ve been asking for! The Uni-Clamp has all the functions you need. Mounts on all three sizes of iris rods, (15mm, 5/8″, 19mm) “No Reducers needed.” Can mount over the iris rod midpoint so you no longer have to remove the accessories or matte box for motor placement. The double D shaft can be swapped out for shorter or longer shafts. Comes standard with a 3 3/4″ shaft length that will give you 4 3/4″ overall length. Uni-Clamp is spring loaded – the jaws are self-centering. The adjustable handle is now standard on all Uni-clamps. No choice. Patented. Lightweight (2.80oz). Kit includes Motor Rosette, D-Clamp and Arm. Now sold in solid “Black”
Example of Uni-clamp mounting over iris rod. Uni-Clamp standard with adjustable handle, Not captive! Caution: The Uni-clamp arm will not hold as tight as the standard arms. Suggested use for Iris!