The Quik Grip PL (QG1100 Series) is the only ladder-style link chain available that meets S.A.E. Class “S” clearance requirements. Quik Grip is also available with a bar-reinforced link (QG1800 Series). Please remember that the bar-reinforced products will not meet these clearance restrictions. Comes packaged in a reusable plastic carrying case. The case is durable and recyclable and includes complete installation and removal instructions. Chain tighteners (QG20070 or QG20070-10) are required and must be purchased separately. Extra tighteners and replacement cross members are available through some retailers. Quik Grip traditional ladder-style link chains are manufactured to NACM (National Association of Chain Manufacturers) specifications. Not recommended for snow tires or light truck applications.