OTR Tyre Protection Chain Characteristic:Operating at high reliability, chain ... Metal material Co., LTD is the only protection from the tires linked to the production of the casting of the manufacturers ... , save time, effort, and with rapid restoration pieces.Commodity OTR Tyre Protection ChainMaterialalloy steelSpecifications16/70--20,16/70-24,17 ... 2.5,20.5-25,23.5-25,23.1-26,26.5-25,29.5-25,29.5-29,29. ...