Cameron ball gage is a simple measuring tool, mainly used for testing various types of valves in the bevel, groove size, through accurate calculation is easy to get the size of the processing. Cameron ball gage gauge is divided into large ball gauge, small ball gauge, medium ball gauge, etc. The size of the ball can be customized.

In the whole oil industry and nuclear industry, 3/16" 1/4" 3/8" 1/8" 1/2" diameter ball gauge is more used, while 7/8" 1" size ball gauge is less used.