100Pcs Tire Studs Snow Spikes Carbide Screw Non Slip Universal for Auto Truck Forklift Off Road Vehicle1. STURDY AND DURABLE: Made of excellent carbon steel, aluminum and carbide, which can ensure the use in deep winter and heavy snow, and ensure driving stability2. WIDE APPLICATION: Suitable for most tire use, possess wide range, enhance off road capability for your vehicle, also great for snow boots, bikes and motorcycles3. SAFE AND NON SKID: Reasonable design brings good non skid performance to your tires, greatly improving your safety4. EASY INSTALLATION AND DISASSEMBLY: Easy to install and remove with a certain drill bit, and fits perfectly with your vehicle tires. Can also be disassembled for some reasons, easy to disassemble and store for reuse when not in use5. 100PCS IN TOTAL: The package contain a total of 100pcs tire studs, enough for you to replace and use, very convenientSpecification:Item Type: Tire StudsSpecifications: 100PcsStud Sleeve Material: Carbon steel, aluminumStud Cover Color: SilverStud Sleeve Surface Treatment: GalvanizedStud Core Material: Hard alloyDensity (g/cm): 10.0-14.0Hardness: >1380 HV30Flexural Strength (N/MM): 1660Metallographic: A04B02C02E00Grain Size (um): 1.2-2.0Wear Resistance Index: 717.5Mandrel Color: BlackApplicable To: Auto, truck, forklift, off road vehicleSize(LxW): Approx. 15 x 9mm / 0.59 x 0.35inProtrusion Diameter: Approx. 2.3mm / 0.09inProjection Height: Approx. 1mm / 0.04inPackage List:100 x Tire StudsNote:Used for all kinds of car tire non skid shoes with holes.