This gauge is made of , which can withstand use. Features the ABS and electronic components material, which has high durability, not easy to deform. Fine workmanship, practicality. Features - Color: Black -Material:ABS, electronic components - Size: 9.50X4.00X2.20cm/3.73X1.57X0.86in Measuring range: 0-2000UM, measuring accuracy: ± (3%+1UM) Resolution: 1um Battery: 2 x AAA (not included) - A practical tester for material surface treatment, widely used in manufacturing, metal processing, chemical industry, commodity inspection and other fields, and can also work stably in laboratories, workshops and outdoors. - High strength ABS outer shell, comfortable to hold, no burrs. Small size, easy to carry, can be easily stored in . - Thickness gauges are used to measure the thickness of metal plating and coatings such as paint/enamel/chrome , paint and anodized coatings on aluminum/copper. Automatic detection of substrate properties. - Fit for automobile works, industrial manufacturing, mechanical treatment, equipment production, and etc. - Special design and fine craftsmanship, the best replacement for your old, broken one. Package list: 1 x gauge 1 x manual 7 x calibration films