The '210D' series gauge line is a high quality line of stainless steel case, brass internal pressure gauges. These gauges come complete with removable bezels, adjustable pointers, glass lens and 1. 5% accuracy. This gauge is typically used on hydraulic and pneumatic systems as well as any commercial or industrial application not corrosive to brass and bronze wetted parts. The removable bezel and adjustable pointer allow re-zero or exact calibration at a specific point across the range of the gauge possible.