Condition: 100% Brand New Item Type: Tire Stud Screws Pin: Material: Tungsten Steel 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 Abrasion Resistance Index: 71 7.5 Color: Black Body: Material: Mild Steel Surface Treatment: Galvanized (no cracks, corrosion on the surface, and no separation of zinc coating) Projection Size: Approx. 1mm / 0.04in Penetration Size: Approx. 9mm / 0.4in Suitable for all kinds of automobile and motorcycle tires with holes, non-slip shoes, ATV/UTV, forklifts, off-road vehicles, etc. Installation Steps: (requires professional installation tools) 1. Insert the anti-slip nail into the nail gun; 2. Put anti-slip nails into tires or shoes with holes; 3. It can be installed in the hole of the tire reasonably. Package List 100 x Tire Stud Screws The holes used to insert studs in car tires can be easily punched out, and can be easily removed even without professional installation tools. In addition, the user can also install or remove the anti-slip nails according to different seasons. When not in use, it can be easily removed and stored for the reinstallation. The user should first consider the thickness of the car tire and the depth of the hole when selecting the anti-slip nail for a car tire. 1This snow tire studs are suitable for most of tires and add ultimate off-road capacity to your car, ATV, motorcycle, bike, shoes, etc. 2High quality and rational design, it brings a good anti-slip property for your tires. 3It has a low ground pressure and it is environmentally with minimum impact. 4Made of mild steel and tungsten steel, these tire stud screws are strong and durable in use. 5Anti-slip nails are tire accessories that are directly embedded in the surface of the tire to increase the tire's anti-skid ability and safety performance while making the tire more beautiful.