High Accuracy – This Dial Test Indicator Gauge is a 0.01mm/0.0005" resolution dial indicator comparator, with a measuring range of 0~0.8mm/0.03", all gears are installed in isolated components separated from the outer body to maintain the highest accuracy. Main Function of Dial Indicator – The mechanical comparator of the dial test indicator can be used to measure form and position errors and other mechanical measurements. Yellow dial with anti-glare finish. Contact point with automatic reversal. With 3 dovetails – 3 dovetails are installed, allowing the dial indicator to be read in horizontal and vertical positions. Dial Test Indicator Designed for measurement during machining, layout and inspection work. Quality Material The main body of the precision dial indicator is made of high quality stainless steel with satin chrome finish for long product life. The crucial parts are made of special non-magnetic material to have high resistance to magnetism and high sensitivity.