Product description Keep your electric guitar or bass in tune and protect strings from premature wear with this durable string retainer tree. Built from brass and zinc alloy, it delivers long lasting performance and reliable string control. Key benefits Smooth string retention: Small rollers guide strings across the headstock, reducing friction and tension points that cause tuning instability and breakage. Prevents string wear: Rollers and solid construction minimize contact abrasion, extending string life and preserving tone. Maintains intonation: By holding consistent string angles, the retainer helps keep your instrument in tune for longer during playing and bending. Simple replacement: Includes two mounting screws for fast swap out of worn or broken wire retainers, no special tools required. Wide compatibility: Designed to work with most electric guitars and basses needing a compact string retainer tree. Features Materials: brass and zinc alloy for durability and corrosion resistance. Function: Roller style string retainer to reduce string stress and improve tuning stability. Hardware: Supplied with two mounting screws for straightforward installation. Typical use scenarios a broken or worn wire retainer on an electric guitar to restore smooth tuning and reduce string breakage. Add to a bass headstock where string angles are shallow to prevent slippage and extend string life during heavy playing. Install on a studio or gigging instrument to improve tuning reliability when using frequent bends and palm muting. What it solves Stops strings from catching or binding at the nut. Reduces the need for frequent string changes by preventing abrasion. Simplifies maintenance and restores performance on instruments with damaged retainers. This compact string retainer tree is a practical upgrade or replacement part for electric guitars and basses that need improved string protection and tuning stability.