air bearing casters instruction and applications air load moving system features air load rigging system instruction air bearing caster via compressed air as power source, when moving air caster will protect your floor and protect your equipment. Shan Dong Finer Lifting Tools co.,LTD. Our company have been produce air bearing rigging system for more than 20 years, and the market feedback that one air bearing caster can use for more than 10 years with no matter. Air bearing caster moving heavy duty loads flexibly and cost-effective. Regarding air rigging system price list and instruction and more information, please feel free contact with us. Shan Dong Finer Lifting Tools co.,LTD Email:sales@cargotrolley.com http://www.cargotrolley.com/