• Size: 11.7 x 5.3 mm. • Material: special steel nails + activated. • Color: black. • Package content: 20 rubber nails for tire repair. • Easy and quick to use, even for beginners. • Made of high-quality material, durable. • Quick repair without the need to disassemble tires. • Comes with 20 pieces to meet your needs. • Note: The color may vary slightly due to lighting and screens. • The allowed measurement error is +/- 1-3 cm.