This is an Articulating Support Pivot Arm for Audio Mic or Video Monitor Mount on-field Production.
It is in good condition, with minor scratches on it as used gears won't avoid. It is working well without any problems.
This articulating arm is designed for video monitors or other accessories such as shotgun microphone. This arm offer adjustable equipment installation on camera.
This arm is made with chrome balls, aluminum ends and stainless steel for quality construction and operation.
There are a lot of nice videos online demonstrate where and how to apply this kind of support arm in video productions. It is very useful.