... 11" ~ 24" stiff tire.The foot pedal unit is punching from high quality steelClamps is casted by high quality alloy steel which tooth ... ,2 post ,4 post,scissor lift,etc)2)tire changer(car tire changer,truck tire changer,semi-automatic,full-automatic)3)wheel balancer ... service forever. We are standing by for any of the quality problems. Low profile Tire changer