Product description: The kwb-402 wheel balancer features good design, simple operation, strong functions and high measurement precision, which make it ideal equipment for measuring the dynamic balance of the wheel. It can be used for balancing small and medium size tires. It can also be a great help in car repair garage and tire shops. Features: High aptitude, good stability, and high equilibrating precision. The design allows you to operate from several directions; smart outline makes both eyes and minds pleased. Measuring arm can automatically measure the hub diameter and the distance between the wheel and the cabinet. Standard computation and calibration function eliminate the measurement deviation and ensure the test accuracy. Different balance modes are available to various wheels. Quick and accurate test may reduce your working intensity and improve your working efficiency. Simple operation and easy grasp Extra-large digital display.