* with backward-style column
* with streamlined design, good looking and classic
* aluminum rotating valve with wear-resistant nylon bush inside
* pneumatic cylinder with tower shape spring to absorb air from one direction, back to original position in 3 seconds, more powerful and stronger
* turning table with 2 rotating speed, 6rmp/12rmp per minute to improve working efficiency, can be used in tyre factory or
refitted car factory
* foot pedal can be pulled out, convenient for repair
* pulsed infating system