Features: 1. High-Quality Material: Made of ultra-durable hard plastic material, not easy to break or damaged, and ensures the correct operation of the guitar. 2. Sound improvement: Used to improve sound quality. It can improve the musical expression of the guitar and make the string tone more even. 3. Wide range of application: Suitable for most electric guitars, and can be used by beginners or professional musicians. 4. Easy to install: Simple design, can be easily installed on the guitar without additional tools or expertise. 5. Affordable price: Compared with other guitar accessories, it is more affordable and ideal for improving your guitar playing. Specification: Material:hard plastic Size:as shown in the picture Color:black Scope of use: some electric guitars, acoustic guitars Performance: The hardness of this nut is close to that of cow bone, which improves the resonance and sustain of the neck. Package Includes:1pc Notes: Please allow slip errors due to manual measurement. Colors may vary slightly for different monitors.