Tungsten Carbide Ring Gauges:Ring Gauges made of Tungsten Carbide,Limit Ring Gauge, it is composed of GO and NOGO, used to detect whether the size is within the specified range; or customized ring gauge size, to detect the outer smooth surface diameter or the pin gauge for a specific size.
Plain Ring Gauge:Ring gauges are custom made. A gauge used to measure dimension of axis. Can be standard Ring gauge, use to compare the internal diameter of the master gauge.