1. High-Quality Construction: The 4PCS Open Frame Electric Bass Machine is crafted with premium materials, ensuring durability and for your bass guitar performance. 2. Precision Tuning: Featuring a 1:20 Ratio Gear, these tuners provide precise adjustments, allowing you to easily achieve the perfect pitch and maintain tuning stability during play. 3. Sleek Design: The sleek black of the Tuning Key Pegs not only enhances the aesthetic appeal of your instrument but also complements bass guitar styles seamlessly. 4. Easy Installation: This set of 4 right-handed machine heads is designed for straightforward installation, making it simple for both professional musicians and DIY enthusiasts to upgrade their gear. 5. Versatile Compatibility: The 4PCS Open Frame Electric Bass Machine is suitable for a wide range of bass guitars, providing an excellent tuning solution that meets the needs of any bassist. Colour:As Shown Material:Metal Package Contents: 4 * Open Frame Electric Bass Machine Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.