Specification: Size:11.7mmx5.3mm Material:Rubber Color:Black . . Package List: 1xTire Repair Rubber Nail . Feature: High Quality: Our self-service tire repair screws are made of premium metal and rubber materials, resistant to high temperature and not easy to wear, easy to firmly fix your tires without damaging them. Durable and reliable. You can use them with confidence. Good Sealing Effect: These rubber tire screws have slim and sharp tips, easy to screw in the tire, and the thick thread in the middle can make it firmly sealing your tires, preventing air leakage and water from entering the damaged part. Carry & Use: it is easy to carry and store them while you are travelling, bicycling, driving, etc. And they are easy to use and install, no needs for dismantling the tire. Just use a screwdriver to screw them into the tire hole, simple and quick, you can repair your tire by yourself. Wide Application: Our tire nails are suitable for various vehicles, including cars, mountain bikes, electric bikes, motorcycles, trucks and other tubeless vehicles, and you can give them as practical gifts to your friends, family or neighbors.