SmallRig 2164 Multifunctional Crab Clamp with 3.5" Ball Head Arm Its 82mm thread size is

Its 82mm thread size is compatible with a wide range of professional lenses

Load Capacity: Up to 20 kg

and lights

or other battery plates

advanced autofocus

SmallRig 2164 Multifunctional Crab Clamp with 3.5" Ball Head Arm Its 82mm thread size isThe 2164 Multifunctional Crab Clamp with 3. 5" Ball Head Arm from SmallRig enables you to mount a 1 4" 20 threaded camera accessory, small light, or other component onto a rod or surface measuring up to 2" in width. The clamp arm includes a 180 mini ball head at each end, enabling you to position your accessory at almost any angle. The clamp tightens easily using its large wingnut and the 3. 5" arm is fastened via a thumb lever.