Product information: Product range: 0-25.4mm Difference:±0.1mm Material: ABS plastic Product accuracy: 0.01mm Noted: Battery not inlcuded Instructions for use: 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.
