This set of guitar string ferrules are perfect for string-through body building or repairing. sits flush to the guitar's surface. It can help to make your guitar easier to play and make a better sound. Suitable for professional and personal use. Great adjustment string caps for guitar, guitar and other musical instruments. Features -Material: Metal -It is electroplated with premium metal material, which is durable and has a smooth surface. -Small size, light weight and easy to carry. Comes with mounting screws for easy installation. -Easy to replace your old or damaged guitar string ferrule with a new one. - guitar string ferrules provide the best performance for you, easy to store and carry. - and practical design with beautiful appearance, add an elegance to your guitar. Package list: 6 x string caps