Durable Vehicles Off-Road Wheel Tyres 12mm Tire Snow Chains Spikes Studs.The new style screw in tire studs can be easily installed and removed without tools.It can also be disassembled according to the reason, When not in use, it could be removed lightly and stored for using again in following season.Choose appropriate size of new studs in the installation process in terms of the depth of tire thread.Easy to install and remove - less than 1 hour with simple hand tools.Economic - add off-road capability to your"normal" ATV,UTV or .Low ground pressure - environmentally with minminum impact.Durable - quality engineering, built to last.Versatile - all reason capability in all condition.Type:Tire Stud ScrewsItem Size: 10 x 8mm or 0.39 x 0.31inchColour: silverMaterial: metalPackage Contents:100 x Tire Stud ScrewsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.