The König K-Summit K23 snow chain is the most convenient external chain for passenger cars. The snow chain is attached to the original wheel nuts. An innovative ratchet system ensures that installation is very easy. Tension springs reduce dynamic forces and provide a perfect fit for multiple tire sizes. The snow chain alternates between plastic plates with carbide studs and an alloy steel chain. Due to its foldable components, it is easy to transport in a practical bag. This is a set of 2 snow chains. The advantages of the König K-Summit K23 include: 1 attachment point on the wheel, the chain only rests on the tread, optimal fit due to the self-tensioning feature, quick installation, even without a car.