General description You will receive 50pcs rubber tire screws in two sizes: small size: 5.3x11.7mm/0.21x0.46inch; large size: 6.8x12.7mm/0.27x0.5inch, with 25pcs for each size. These tire repair studs are designed for effective puncture repair in various vehicles. Technical specifications Quantity: 50pcs Small size: 5.3x11.7mm (0.21x0.46inch) Large size: 6.8x12.7mm (0.27x0.5inch) High Quality Made of premium rubber materials Resistant to high temperature and wear Reliable and long service life Usage Easy to use and install Simply use a screwdriver to screw them into the tire hole Ideal for self-repairing tires Other information Packed in a plastic storage box for easy storage and transport Suitable for cars, mountain bikes, electric bikes, motorcycles, trucks, and other tubeless vehicles Can be given as practical gifts