1. Versatile and Off-road: Designed to fit most tires, this tire stud bolt set provides ultimate off-road capability for various vehicles such as ATVs, motorcycles, bicycles, shoes, etc. It provides extra grip on a variety of surfaces, improving traction and stability. 2. Low ground pressure and eco-friendly: Due to its low ground pressure, this tire stud bolt set reduces environmental impact, while providing increased performance in difficult terrain. It is eco-friendly and helps minimize potential damage to the surface where it is used. 3. High quality and design: Made of high-quality materials and rational design, these tire stud bolts provide excellent non-slip property to your tires. They are designed to improve traction and handling, ensuring a safer and more stable ride in difficult conditions. 4. Durability and resilience: Made of hard steel and tungsten steel, these tire stud bolts are extremely strong and durable. Their robust construction ensures a long service life, even under demanding driving conditions. 5. Easy Installation: Easy to install with a few drills, these tire spikes fit perfectly to your vehicle's tires. Their simple and quick installation allows you to quickly benefit from the added benefits they offer in terms of traction and control on different types of terrain. Features: Material: steel + tungsten steel Color: Silver Quantity of items: 100 pieces. Length: 5.7mm/0.22in Head diameter: 6.5mm/0.26in Tip diameter: 2mm/0.08in Application: suitable for bicycle tires, motorcycle tires. Package weight: about 63g Package Contents: 100 x Tire Spikes Note: Please choose the appropriate size of the new spikes in the installation process according to the thread depth of the tire. Please note that the new type and the old type of this product will be sent randomly, and make sure you do not mind before ordering.