[The simplest way to repair tires]:It's a plastic screw covered with special sealing glue.No damage to tires.You don't need to remove the tire to repair it, you only need a screwdriver and pliers to complete the repair process. | [Free one super glue]:In our shipping list, there are 8 tablets in a box, of which 4 are 5.3 mm in diameter and the other 4 are 6.8 mm in diameter.Free one super glue,Enhance the sealing performance of this product and the screw can be reused. | [Plastic screws of special materials]:The screw is made of special plastic with moderate hardness, no aging and can withstand high temperature. | [Special sealing glue]:The surface of the screw is covered with a layer of sealing glue, which spreads itself and has good stickiness to prevent air leakage.