1. High-Quality Components: Our 20PCS Tremolo Bridge Fine Tuning Screws are made from materials, ensuring long-lasting performance and reliability for your setup. 2. for : These String Insert Blocks and Locking Nut String Lock Screws are specifically designed to be compatible with for tremolo systems, providing a seamless integration for optimal tuning stability. 3. Enhanced Tuning Precision: With our Fine Tuning Screws, you can achieve precise adjustments on your guitar's tremolo bridge, allowing for improved playability and accurate pitch control during performances. 4. Complete Set for Guitar Maintenance: This 20PCS set includes everything you need for maintaining and upgrading for your system, making it an essential addition to any guitarist's toolkit. 5. Easy Installation: The user-friendly design of our Locking Nut String Lock Screws and Tremolo Bridge components ensures a hassle-free installation process, so you can spend more time playing and less time troubleshooting. Color: black Material: Metal Package Contents: 20PCS * Tremolo Bridge Fine Tuning Screws 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.