Features: 1.50 PCS SET: The set contains 50 pcs universal tire studs for you to use, can be used for a variety of car tires and anti skid shoes without holes. 2.EXCELLENT MATERIALS: The studs are made from tungsten steel and aluminum, very strong and sturdy, with reasonable design, bring good anti skid performance, greatly improve your driving safety. 3.MAXIMUM GRIP: The tire stud will provide maximum grip and prevent the vehicle tires from slipping on snow or ice, ideal for use in deep winter and heavy snow. 4.WIDE RANGE OF USE: These tire studs could enhance your vehicle off road capability, suitable for most tires without holes and are also great for snow boots, bikes and motorcycles. 5.SIMPLE INSTALLATION: The tire studs can be easily installed and removed with a drill bit, and could fit perfectly with your vehicle tires. Specification: Item Type: Car Tire Studs_x000D_ Material: Tungsten Steel, Aluminum_x000D_ Specification: 50 Pcs_x000D_ Thread Diameter: Approx. 7.9mm/0.31in_x000D_ Thread Total Length: Approx. 20.9mm/0.8in_x000D_ Prominence Height: Approx. 6.9mm/0.27in_x000D_ Rubber Inner Depth: Approx. 14mm/0.55in_x000D_ Minimum Thread: Approx. 11.5mm/0.5in_x000D_ Tip Size: Approx. 2.2mm/0.1in_x000D_ Color: Silver_x000D_ Applicable to: Auto Truck Racing Off Road Vehicle Note: Used for all kinds of car tires and anti skid shoes without holes.