1.enhanced S41 mounting bar with better strength,it is not easy to deform during operation. 

2.clampin jaw is equipped with the protective sleeve to provide more comprehensive protection for the tires and rims. 

3. .equipped with auto helper arm which makes mountiong and demounting tire more quicker and easier.

4.the clamping jaw is made of precision steel cast which is firm and durable.

5.Universal bead breaker, more suitable for operation         

6. vertical inflation-tool box  with elegant appearance                                                            7.Body design dignified, thick sheet material, strong rigidity                                                    8.Iron stamping pedal, durable for life (optional aluminum pedal)                                          9.Change the  clamping range by adjusting the position of the slider.