Highway Truck Chains? CAM locking system eliminates the need for chain tighteners. Simply tighten CAM lock with included tool to tig hten chains to your tire. Sold in pairs. CAM tool #QG20095 is supplied in each bagChain tensioners are NOT REQUIREDSold as a pair Tire Sizes: 235/80R22.5265/70R22.57.50-22.5245/75R22.5265/75R22.58.25-20245/80R22.5275/70R22.58.25-22.5245/80R22.5285/65R22.59-22.5255/75R22.537X11.5R15255/80R22.538X10.5R15 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; }