Tire Changer Machine: Outside clamp 12-22" Inside clamp 14-24", 4 aluminum pedals, 7.9" oil cylinder, strong structure, larger pneumatic lock The mounting head is made by stainless, solution treatment and interface polishing, the shape conforms to the engineering principle, and take with plastic cover for protect rim. Inflation gauge with pedal control Top level motor and pure copper winding, fast heat dissipation, low defect rate and longer using life. Pull type pedal control system, convenience for changing and maintenance. New upgrade version, it is more elaborate, top motor and pure copper winding. The mounting head is made by stainless. Stainless bead breaker cylinder with double assist arm