♦ Optimized automatically bidirectional locating, locking and fixing point braking function, simple to use.
♦ Sonar rim width measuring gauge.
♦ Automatic measurement gauge for rim width and distance, forever precise digital gauge, no need to calibrate out of factory.
♦ Precise phase angle location, error less than +/- 1 and easy accurate laser marker.
♦ According to the need, counterweight position and laser indicator can shift from 12 o’clock to 6 o’clock randomly, convenient to wash and stick inside wheel hub.
♦ Apply user-friendly ring-shaped LED light to measuring and attaching process. 
♦ Settings: to modify the configurations etc.