Description This guitar string ferrules are perfect for string-through body building or repairing. Collar 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, electric guitar and other musical instruments. Features -Color:Silver -Material:Metal -Size:10.15X1.00X1.00cm/3.99X0.39X0.39in - It is manufactured with good metal material, which is durable and has a smooth surface. - Small size, light weight and easy to carry. Comes with installation tools for easy installation. - Easy to replace your old or damaged electric guitar string ferrule with a new one. - The guitar string ferrules provide the best performance for you, easy to store and carry. - Professional and practical design with beautiful appearance, add an elegance to your guitar. Package List1 x Install Tool 6 x String Ferrules