3 dimensional dial gauge holder has Nogas unique central locking mechanism with spring loaded bearing for easy set-up. It is an auxiliary tool for any general measurement and helps to increase precision and working efficiency. Avoid work stoppage by increasing precision and measuring efficiency with these handy indicator holders. Their strong magnetic bases and superior holding power clings firmly to any ferrous metal component, supporting the gage for more accurate measurements. Capable of 360° rotation for maximum versatility, the articulated arm reaches every possible position, even upside down.