Build video since there are no instructions on HK site.
It appears to be well constructed, no flex or play in the design. Fits the PZ0420 camera with its case.
"Specifically designed for our range of board cameras.
Light weight and easy to install. Our HobbyKing FPV mount system is a great way to mount your FPV board camera.
Special included bearings make pan and tilt smooth and bind free.
Kit includes bearings, screws, ball/socket, threaded rod and pre-cut fiberglass board. Specifically designed for our 1/3 inch sony CCD video camera."