Product List: 8 Snow Chains, 1 wrench, 1 hook, 1 glove, 1 storage bagMaterial: Snow Chains are made of TPU material, with wear resistance and can be used for a long timeAutomobile Emergency Anti skid Chain: Tire Chains main function is to provide additional traction in severe weather conditions. The design has embedded steel nails and steel bowls, which helps to prevent skid and break ice (the product is not suitable for wheels that cannot wear strapping)Easy to Install: Place the anti skid chain on the tire surface and pull the strap over the wheel (the ratchet should be on the outside), insert the strap into the ratchet groove, and then pull it out with the hook. After tightening the strap, use a wrench to adjust it to the appropriate tightness. After installation, check whether the tightness is correct and whether the snow chain is fully fitted with the tireOutdoor Essential: Car Tyre Skid Chains are essential tool for outdoor emergency situations in winter, with strong practicality Specification: Material: TPU Size Chart: 39cm/15.35inch Package Includes: 8 Snow Chains 1 Wrench1 Hook1 Glove1 Storage Bag Note: Please allow slightly errors due to manual measurement and different monitors.