The König K-Summit XXL K77 snow chain is an external chain designed for large SUVs. The snow chain is attached to the original wheel nuts. An innovative ratchet system ensures that installation is very simple. Tension springs reduce dynamic forces and provide a perfect fit for multiple tire sizes. The snow chain alternates between plastic plates with carbide pins and an alloy steel chain. Due to its foldable components, it is easy to transport in a convenient bag. This is a set of 2 snow chains. The König K-Summit XXL K77 is suitable for large SUVs with a maximum unladen weight of over 2,000 kg.