Air caster kit systerm allowed one person to easily move thousands of tons by one person. Air skates will no damage on the floor, and easy to operate with no special training is workable. Air casters capacity from 10 tons to 48 tons, more or less capacity can be customized as demand. Air bearing casters have following parts: one pieace air tube, one set air control console, four air tubes, four air skates, or six air tubes with six air skates. Regarding air casters details, air bearing casters operating video, air skates pictures, air movers price list, please kindly feel free contact with us. Professionally service hope will get your satisfaction. Shan Dong Finer Lifting Tools co.,LTD