Description: The inside diameter is less than 5mm, no damage to the tires, no air leakage.Simply insert the nail into the tire wound to complete simple and efficient tire repair work.Perfect Sealing EffectIt adheres firmly to the tire, has high connection strength, and good sealing performance prevents water from entering the wound, so the steel belt will not rust or delaminate.Easy To OperateEasy to install with this tire repair nail, you can repair your tire by yourself, do not find the auto repair shop, economical and time-saving.High Temperature & Wear ResistanceMade of top-quality rubber, features high-temperature resistance, high hardness, and high wear resistance.Long service life, one repair is enough, there no need for two repairs.Wide Application- Professional puncture repair nails, can be used on cars,  motorcycles trucks buses, and agricultural tires.