2Pcs Silver Roller String Retainer Set Keep strings stable and tuning consistent with this twopiece roller string retainer set. Designed for electric guitars and basses, these retainers guide strings over the headstock to reduce friction and prevent slippage, giving smoother tuning and more reliable playability. Key benefits Improved tuning stability: Rollers reduce friction at the headstock, helping strings to pitch after bends and tuning adjustments. Eliminates string slippage: Guides keep strings seated correctly, minimizing sudden shifts and breakage at the nut area. Durable and attractive: Made from zinc alloy with a silver finish for longlasting use and a clean, professional look. Quick installation: Includes mounting screws for straightforward placement on the headstock; no special tools or modifications required. Wide compatibility: Designed to fit most electric guitars and bass guitars, suitable for a variety of headstock layouts. What it does Acts as a lowfriction string guide to maintain consistent string tension. Supports stable tuning during heavy playing, bending, or tremolo use. Protects strings and nut contact points by reducing lateral pressure. Materials and fit Construction: Zinc alloy for durability. Finish: Silver. Package: Two roller retainers plus mounting screws. Mounting: Designed to be installed directly on the headstock; compatible with a broad range of electric guitar and bass models. Practical uses Live performance: Prevents tuning drift during intense stage playing and quick string bends. Practice and recording: Keeps tuning stable for extended practice sessions and studio takes. Setup and maintenance: Useful when upgrading hardware or replacing strings to improve overall tuning reliability. What you get Two silver roller string retainers and screws for easy mounting and immediate use.