Features 1、Function: Tire studs can increase the grip of the tires, bringing you good anti skid performance and greatly improving your driving safety. 2、Strong Compatibility: Tire studs are suitable for use with most tires in a wide range, also ideal for bicycles and motorcycles. 3、Material: Mild steel and aluminum and carbide materials, strong and durable, ideal for use in deep winter and heavy snow, to ensure stable travel. 4、Features: Snow tire spikes adopt excellent manufacturing process, high reliability and stable performance, environmentally friendly and practical. 5、Easy Installation: Simple to install, fits perfectly with your vehicle tires. Easy to remove and store for next use. Specifications: Item Type: Wheel Tyre Stud Material: Mild steel and aluminum and carbide Chemical Composition: WC,Co Density (g/cm3):10.0-14.0 Hardness :>1380 HV30 Bending Strength (N/MM2):1660 Metallographic: A04B02C02E00 Grain Size (um):1.2-2.0 Wear Resistance Index :71±7.5 Core Color: Black Nail Sleeve: Surface Treatment: Galvanized (surface without cracks, corrosion, and zinc coating separation.) Application: After installing the non slip nail, it can bring better grip to the tire, prevent the various problems caused by the tire skid, and ensure the normal running of the car. Application: This series of anti skid nails are used for all kinds of car tire with holes Package List 100 x Wheel Tyre Stud