①. Package Including: You will get 100 tire studs and 1 installation tool, a sufficient quantity to meet your daily use. ②. Durable Material: The snow tire spikes are made of tungsten alloy steel material, high hardness, wear resistant, sturdy and durable to use. ③. Anti Skid: The wheel tyre snow studs can effectively increase the friction of the tire, and are suitable for riding on ice and snow lanes in winter to avoid slipping and falling. ④. Easy Installation: Screw in tire studs, the carbide screws anti slip studs are easy to install and remove. ⑤. Wide Applications: The snow spikes are universal for Atv, SUVs, motorcycles, cars, trucks, bicycles, scooters, etc. (Note: Applicable to tires with a tire thickness of more than 10mm) ⑥. Specification: Material: Tungsten alloy steel ⑦. Package Includes: 100 Tire Studs 1 Installation Tool ⑧. Note: Please allow slightly errors due to manual measurement and different monitors.