1.Specifications; SIZE: ST205-75D trailer tirePLY: 4, 6, 8Weight: 12.5kgsTread Depth: 6.5mmMas PSI LBS rated: 35, 50, 60QTY/40'HQ: 1990PCS2.Standard: meet standard TRA in the USA, ETRTO in Europe, and JATMA in Japan3.Timely delivery time,good after service. Welcome your kind inquiry!Sales:Ms.Ruby