Feature:1. Anti Slip: The screw in tire studs can increase the friction between the tire surface and the ground, so as to improve the stability snowy days.2. Durable Material: Made of high strength tungsten steel and aluminum, it is strong and durable, has a long service life, ensuring stable driving and high reliability.3. Wide Application: Wide applicable for most tire use, suitable for all kinds of non porous tires in cars, trucks, forklifts, off road vehicles or anti slip shoes.4. Multifunctional: Suitable for driving or riding on snowy days, and the small size is also applicable for snow boots, allowing you to go climbing, hiking, camping without sliding.5. Parameter: The snow tire spikes trims measure about 21mm/ 0.83in in length and 9mm/ 0.35in in diameter, and the tip diameter is approx. 2.6mm/0.10in.Specification:Item Type: Screw Tire StudsMaterial: Tungsten steel and aluminum.Thread Diameter x Total Length: Approx. 9x21mm/0.35x0.83inCone Height: Approx. 4mm/0.16inInner Depth: Approx. 16.5mm/0.65inMinimum Thread: Approx. 14mm/0.55inTip Size: Approx. 2.6mm/0.10inColor: Silver colorScope of Application: Used for all kinds of car tire anti skid shoes without holesApplicable Model: Auto or Truck Forklift motorcyclePackage List:50 xScrew Tire StudNote:This cleat is used in all kinds of non perforated car tires, anti skid shoes