Accurate Measurement: The tire depth gauge has a very large measuring range of 0-25.4mm and a measuring accuracy of only 0.01mm, you can know exactly how worn your tires are. High Quality Material: The digital tread depth gauge is made of high quality plastic, which has the advantages of anti-corrosion and wear resistance. The needle is made of stainless steel and is not easy to rust. Easy to Read and Use: The large, high-precision LCD display provides the highest accuracy and clear readings. Simply press the "inch/mm" button to change the reading mode. Easy to Carry: The tire depth gauge has a hanging hole, easy to push and pull, and can also be hung on the wall, lightweight and portable. Safety and Security: With the regulatory measures of safety profiles, you can find the risk of falling and unexpected situations; The profile message is intended for professionals as well as amateurs.