General description The 100PCS 12mm Tire Studs are designed to enhance traction and stability for vehicles in icy and snowy conditions. Made from a combination of carbon steel, aluminum, and hard alloy, these tire studs are reliable and durable, ensuring long-lasting performance. Their compact size makes them suitable for various applications, including bicycles, boots, motorcycles, and more. Technical specifications Length: 12 mm (0.47 inch) Diameter: 4 mm (0.16 inch) Tip diameter: 2.3 mm (0.09 inch) Material: Carbon steel, aluminum, hard alloy Color: Silver Installation Easy to install with the included installation tool. Simply attach the screw to a drill machine with the metal sleeve and drill into the tire. Installation can be completed in less than 1 hour using simple hand tools. Can be easily removed and stored for future use. Usage The tire studs increase friction between the tire and the ground, improving vehicle stability during driving or riding in snowy conditions. They