Air casters also named air bearings, air skates, air rollers, air powered moving roller, air moving skates, air moving skate, air bearing movers and so on names. Air casters capacity from 10.0 tons to 48.0 tons. Have follow models: 10 tons air bearings, 16 tons air casters, 20 tons air skates, 32 tons air powered moving dollies, 48 tons air casters roller. Shan Dong Finer Lifting Tools co.,LTD, ...