Air casters moved flexibly and no pollution. Use air as material source. Air casters can move for more than 50 tons,110,000 lbs loads easily with four person to handle it . Air casters also named air bearing caster, air rigging moving system, air powered load moving tools, air skates. Air skate can let the load float on the film of air, virtually friction freely. So, it is very flexible to relocation or move your devices. Air casters via compressed air as power source, moving your heavy duty equipment move steadily and protect your floor from damage. Regarding air casters price list, air skates applications, air film transporters parameters, air rigging systems details, please kindly feel free contact with us. Professionally service hope will get your satisfaction. Shan Dong Finer Lifting Tools co.,LTD