Features: Electric guitar locking tuners help provide fast and smooth tuning, keeping your guitar in tune. Suitable for most acoustic and electric guitars. The locking design helps prevent accidental string loosening, ensuring playing stability and performance comfort. Enables accurate tuning and maintains pure sound quality. Black finish offers a sleek and appearance. Ideal for various situations such as performances, practice sessions, and recordings, delivering stable pitch and comfortable playability. Specifications: Material: Metal Style: Right/Left Color: Black/Silver/Gold Size: Approximately 5 x 6 x 5 cm (1.97 x 2.36 x 1.97 inches) Package Includes: 1 piece Guitar Locking Tuner Note: Please allow 1-2 cm variation due to manual measurement. The actual product color may vary slightly from images due to monitor display differences.