... 18.00-24,18.00-25,18.00-23 otr tyre Chain My companys products through the introduction of foreign ... save time, effort, and with rapid restoration pieces. Commodity OTR Tyre Protection ChainMaterialalloy steelSpecifications16/70--20,16/70-24,17.5 ... ,21.00-35Management CertificationISO9001:2008Usageused to improve tire life, widely used to protect the chain , quarries,mining field, tunnel construction, ...