Item Type: Tire Studs Material: Carbon Steel, Aluminum, Carbide Specifications: 100Pcs/pack Nail Sleeve Surface Treatment: Galvanized Density (g/cm): 10.0-14.0 Hardness: >1380 HV30 Flexural Strength (N/MM2): 1660 Metallographic: A04B02C02E00 Grain Size (um): 1.2-2.0 Wear Resistance Index: 717.5 Mandrel Color: Black Suitable for: ATV, UTV, Forklift, Off Road Vehicle Sleeve Size: Approx. 12 x 9mm / 0.47 x 0.35in Mandrel Sizes: Approx. 2.3 x 1mm / 0.09 x 0.04in Package List 100 x Tire Stud This cleat is used for all kinds of car tires and skid shoes with holes. 1ANTI SLIP: The tire studs can play a good anti skid effect, ensure that your vehicle does not slip on the icy road, and improve its off road capability. 2WIDE COMPATIBILITY: Tire studs fit most tires in a wide range and are also great for snow boots, bikes and motorcycles. 3REUSABLE: Tire studs can be removed when not in use and stored for reuse, as they can be reused because of their tough material. 4METAL MATERIAL: The surface of the tire stud is galvanized, the stud sleeve is made of carbon steel and aluminum, and the stud core is hard alloy, which is durable. 5EASY INSTALLATION: This tire stud can be easily installed and removed with a certain drill bit, and it fits perfectly with your vehicle tires.