Product description
Net product amount: about 40g
Step 1: Press the power button to turn on the machine and check whether the display is normal.
Step 2: The allowance for the measurement surface is on a flat surface, push the measuring rod to the end, press Zero to return to "0.00"
Step 3: The measurement surface is vertically close to the tire surface. Insert the measurement rod into the bottom of the groove to display the measurement value.
Note: It is recommended to measure several times in different areas of the same tire and take the average value, the result is more accurate.