Description These copper guitar parts are designed for electric guitars with a tremolo system. The screws are for securing strings and ensuring stable tuning. The finish adds a sleek look to your instrument, making it both functional and stylish. Ideal for musicians looking to upgrade their guitar's performance and appearance. Features -Color:Black -Material:Copper -Size:3.80X0.60X0.60cm/1.49X0.24X0.24in -Note: hole diameter: 2.3mm; 4.8mm -Note: thread: 4mm -Precision design: enhance your performance with meticulously crafted copper parts, for both professional shows and daily practice -Useful: ensure stable tuning and reduce the frequency of adjustments, making your playing experience smoother -Visual appeal: add a modern touch and unique style to your electric guitar with these visually striking components -String locking screw: lightweight design reduces hand fatigue during long playing sessions, improving overall comfort -High compatibility: easily upgrade your tremolo system with parts that fit a wide range of electric guitar modelsPackage list: 6 x Tremolo System Screws