Features 1、This snow tire studs are suitable for most of tires and add ultimate off-road capacity to your car, ATV, motorcycle, bike, shoes, etc. 2、High quality and rational design, it brings a good anti-slip property for your tires. 3、It has a low ground pressure and it is environmentally with minimum impact. 4、Made of mild steel and tungsten steel, these tire stud screws are strong and durable in use. 5、Anti-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. Specification 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