Alloy steel jaw, interface carburization treatment of 0.8-1.1mm deepness, whole quenching process, making the jaw inside more tenacity and outside more hard, and take the jaw cover for protect rim.
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
With high quality spade cover, effective prevent damage rim
Pull type pedal control system, convenience for changing and maintenance.