These Titanium bolts are made of high-quality materials, which are durable, rust-proof, and not easy to deform. They are widely used in various fields, such as machinery, instruments, automobiles, and ships. The bolts have a smooth surface and a beautiful appearance, and are easy to install and use. With a length of 12mm and a diameter of 5mm, these bolts are suitable for most applications. The package includes 4 bolts, enough for your daily use or replacement. These bolts are perfect for repairing or replacing damaged parts, and can be used in a wide range of applications, including furniture, machinery, and automobiles.