1100 Pcs Set: The set contains 100 pcs universal tire studs for you to use, can be used for a variety of car tires and anti skid shoes. 2Premium Materials: The tire studs are made of carbon steel, aluminum and carbide materials, high in strength, not easy to fade or wear, can repeated use, convenient and practical, has high reliability. 3Multi Purpose: The tire snow spike has a wide range of uses, could enhance your vehicle off road capability, suitable for most tires and is also great for snow boots, bikes and motorcycles. 4Improve Safety: The reasonable design of tire stud screw brings good anti skid performance to your tires, greatly improving your safety. 5Easy Installation: The tire stud can be easily installed and removed with a drill bit, and could fit perfectly with your vehicle tires.