ITEM NAME:Car Tyre Tread Depth Gauge Tire Brake Wear Measure Check Digital LCD display cvb Descriptio n Material: metal detector rod Colour: Black Size: 11.5 x 6 x 1.5 cm Weight: 0.06kg Measurement range: 25.4 (mm) Features: Brand new and high quality Digital LCD display Practical and durable Made of high quality material, more durable. Used to measure the tread depth. It can effectively reduce tire wear. Suitable for motorcycles, trucks and off-road vehicles. Unit of measurement: feet/millimeters. Product use: Firstly, press the switch button to start, check whether the display is normal; secondly, zero, press the measuring surface of the digital tread ruler on a relatively flat plane, then push the measuring rod to the bottom, then check whether the display is 0.00, if not ZERO zero, and thirdly, vertically close the measuring surface of the depth ruler. To the tread of tire, push the measuring rod to the bottom of the pattern groove, and then read, which completes a measurement. In order to make the measurement data more accurate, it is suggested to measure several times and calculate the average cut as the measurement result. Honesty is gold for all! Car Tyre Tread Depth Gauge Tire Brake Wear Measure Check Digital LCD display