High Precision Measurement: The measurement range is 0-25.4mm, digital display and the accuracy is 0.01mm. The zero position of the metal probe improves the accuracy of the measurement, each position is the zero position. Easy to Use: Digital tread meter is closed perpendicular to the tire tread and pushes the bottom of the stick measurement towards the tread groove. Suitable for tread depth, brake pad and lining wear. To measure the product more accurately, multiple measurements are recommended. Flexible Display: The metric system can be freely switched between inches and millimeters, which is easy to operate. The large LCD screen, which can be turned on and off manually, is not only easy to carry, but also easy to hang. Fine workmanship: High quality plastics, metal probe zeroing. The metal probe has improved the measurement accuracy, and the appearance is exquisite. Mature production technology ensures good quality. Good Packing: Tire Depth Gauges comes with a sealed pouch to prevent shipping shock and loss of accuracy. It can also be stored and protected when not in use, and its service life can be extended.