1Diverse sizes - We provide 2 sizes of tire repair nails for you, smaller one is approx. 5.3 x 11.7 mm and larger one is about 6.8 x 12.7 mm. The small size can make up for the hole within 0.1-3mm; the large size can make up for the hole within 3-5mm, no damage to tires, no air leakage. 2High-quality materials - Our self-service tire repair nails are made of high-quality materials, with high hardness, high wear resistance, can sturdily fix your tires without breaking the tires. Long service life. Perfect seal - The surface of the screw is covered with a layer of sealing gluewhich fits closely to the tire, high connection strength, good sealing performance prevents water from entering the wound, so the steel belt will not rust or delamination. 3Easy to operate - Easy to install with this tire repair nail. you can repair your tire by yourself, do not find the auto repair shop, just simply insert the nail into the tyre wound for a simple and efficient patching job. Even girls can easily use. 4Wide application - You can received 46 pcs(24 Small +22 Large) car tire repair rubber nail, sufficient enough to mend your car, motorcycle, truck, bus or agricultural tyres.