Are you a guitar lover? Do you wanna a professional, yet roller string tree? If your answer is yes, our professional roller string tree must meet your needs. It can be used for a longer period, due to its practical and metal material and superb workmanship. Features - Color: Silver - Material: Metal - Size: About 1.00X0.90X0.26cm/0.39X0.35X0.10in - Manufactured with premium metal material, these guitar parts can be used for a long term. - This can also prevent the abrasion of the guitar string, thereby prolonging the service life of the rope. - Good hardness metal material, equipped with mounting screws, ready to use, easy to install. - Improve your guitar performance, it emphasizes your strings and keeps the guitar in tune length. - Use these roller string trees to replace or change the broken one, to give you a better using experience. Package list: 4 x Guitar Strings Retainers 4 x Screws