DescriptionAre you looking for a professional, yet affordable roller string tree?Are you in search of a sturdy, trustworthy tool that can do multiplejobs at once? If yes, look no further! Our professional roller stringtree must meet you needs. It is one of the best choices for you.Features-Material: Iron.- Made of premium iron material with plating, high strength and durability, glossy surface. Ensures practicability and nice look. - Come with mounting screws, easy to install. Small and light, very convenient to carry.- Great roller string tree retainer guide guitar parts to replace your broken, damaged or old string retainer. - Ensures proper string tension for tone, improving your guitar's performance and the precision and stability of the tune. - Help to lessen the stress on the guitar strings, reducing the wear on the strings for longer life of the strings.