By default, there are 8 tablets in a box, of which 4 are 4.5 mm in diameter and the other 4 are 6.5 mm in diameter.Free one super glue,Enhance the sealing performance of this product and the screw can be reused. Hello, my dear friend, welcome to my shop, there are more products in the shop that you can choose at will. This is one of the accessories of our NORSHIRE mini tire inflator,of course, you can also choose separately. If you have any questions, please email us first.We will give you a satisfactory answer within 24 hours,offer you our best services. Specification : Material : Rubber Size : Small : 4.5 x 11.0 mm Big : 6.5 x 13.0 mm Weight : Small : 0.8 g / piece Big : 1.2 g / piece Packing : In bulk Details Of Usage : Glue can be used in advance. If you re-use Nail, you need to smear the superglue we give you on nail. Tire is divided into three parts : Tire groove self crown Tire side. Tire groove location breach repair method : the patch nail screwed into the tire groove below the plane 0.5 mm; Crown location breach repair method : the patch nail screwed into the tire groove level; Tire side location of the breach repair method : the tire repair nail screwed into, below the tire side plane 0.5 mm; Puncture object oblique repair method : repair with the direction of the breach screwed. Cautions : Tire tread without tread or tire serious aging, please use other ways to repair, for your safety recommended to replace the tire. Package included : 4 small nail + 4 big nail + super glue Warm tips : 1.Actual color may be slightly different from the image due to different monitor and light effect. 2.Please allow deviation due to manual measurement.Thanks! [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.Since run-proof tires and most tires have metal wires inside, we decided to change the plastic to a rust-proof alloy in our subsequent products, which was tested to be completely reliable. [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.