Quik Grip Square Rod Alloy CAM Chains provide excellent traction and durabilityfor both on & off road applications.5.5mm Square Rod Alloy tire chains are made from high grade manganese alloysteel.Alloy tire chains wear considerably longer than regular carbon steel chains.The square rod cross chain design provides greater traction than traditionallight truck link chains.CAMs are pieces of stamped steel that are placed on the outside rail (chain) ofthe tire chain. The keyhole on the CAM allows a tool to be inserted and turnedwhich takes up slack in the chain. CAM tool # QG20088 is supplied in each bag Chain tensioners are NOT REQUIRED Sold as a pair Specifications: 215/75R17.5 225/75R17.5 235/70R19.5 245/75R16 9.50-16.5LT 215/80R17 225/85R16 235/75R16 245/75R17 LR78-15LT 215/85R16 235/55R20 235/75R17 7.00-16 225/60R19 235/65R19 235/85R16 7.00-16C 225/65R18 235/70R17 235/85R17 7.00-17 225/70R18 235/70R17.5 245/70R16 7.50-16C 225/70R19.5 235/70R18 245/70R17 7.50-16LT 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; }