Our thickness micrometers are suitable for measurement situations where insulation and anti-magnetic or scratch resistance are particularly required Digital thickness gauge supports all position reset functions, metric and imperial switching, manual switching and auto start Digital thickness micrometer with convenient handle, thumb detent and a spring loaded pin making it ideal for mechanical industrial processes The feeler gauge is designed with a large digital LCD display for easy data reading. Digital thickness gauge is lightweight, made of engineering plastic, durable Our thickness micrometers are ideal for measurements where insulation and antimagnetic or scratch resistance are particularly important, and with their convenient handle, thumb detent and spring-loaded pins , they are ideal tools for mechanical industrial processes. 1. Press the On/Off button to turn on. 2. Check if 0.00 is displayed, if not, press the reset button to reset. 3. Pull the trigger and insert the coin, then release the trigger. Read the measurement and take several measurements, then average the results for a more accurate result. These digital thickness gauges can be used to measure paper thickness , PU leather, sheet metal, jewelry, batteries and magnetic materials, etc.