Highway Truck Chains CAM locking system eliminates the need for chain tighteners. Simply tighten CAM lock with included tool to tighten chains to your tire. Sold in pairs. Maximum recommended speed is 20 MPH.For 4-wheel drive and sport utility vehicles (singles)Chain tensioners (QG20007, QG20071, QG20074 or QG20074-10) are REQUIRED, sold separately.Sold as a pair Tire Sizes: 14-16.5LT35X12.5R1737X13.5R1814.00-15LT35X12.5R1837x12.5×22325/65R1835X12.5R2038X14.5R15325/80R1635x12.50x2238X14.5R17345/70R1836X14R1538X15.5R16.5355/60R2037X12.5R16.538X15.v5R2035X12.5R1537X12.5R1738X15R1535X12.5R1637X12.5R2036X15.5R1535X12.5R16.537X12.5R1837X12.5R15 th, td { padding-right: 20px; } .product-table-top { display: block; max-width: -moz-fit-content; max-width: fit-content; overflow-x: auto; white-space: nowrap; }