Durable Vehicles Off-Road Wheel Tires 12mm Tire Snow Chains Spikes Studs. The new style screw-in tire studs can be easily installed and removed. They can also be disassembled as needed. When not in use, they can be lightly removed and stored for reuse in the following season. Choose the appropriate size of new studs during installation based on the depth of the tire tread. Easy to install and remove – takes less than 1 hour with simple hand tools. Economic – adds off-road capability to your standard ATV or UTV. Low ground pressure – environmentally friendly with minimal impact. Durable – quality engineering, built to last. Versatile – capable in all conditions. Type: Tire Stud Screws Item Size: 10 x 8mm / 0.39 x 0.31 inch Color: Silver Material: Metal Package Contents: 100 x Tire Stud Screws Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.