high quality best price Its pneumatic device makes the maintenance simple and easy, suitable for trucks & cars, can be adjusted according to the different tyre width. For TL-1200B, it has special function of speed-expanding random adjusting. Technical Data ModelTL-1200B For tyre width4-15(100-381mm) For tyre diameter Working pressure≤0.4Mpa Expanding force1500kg Tyre expander