Air bearing casters (air caster movers) are designed to provide easier and free transport of various types of loads, regardless of weight or size. Air casters movers use a continuous, regulated flow of air to create an air film between an inflated platform to provide load carring capability. Regarding air casters price list, air bearing casters details, air movers application,air rigging systems manual instruction. please kindly feel free contact with us. Professionally service hope will get your satisfaction. Shan Dong Finer Lifting Tools co.,LTD Skype: faithjiang888 Email: [email protected] Website: http://www.cargotrolley.com/