Features: These guitar replacement parts are made from metal with mounting screws, ready for use. Guitar jack plate: A high-quality replacement output jack plate socket for guitars, suitable for style guitar. Guitar roller string trees help improve tuning stability, especially when using a tremolo system, and make tuning easier by rolling with the string tension. Guitar string tree guides help prevent wear and tear on strings, resulting in longer string life. Ideal replacement for broken, dirty, or old string retainers. Package Includes: 2 pcs guitar roller string tree 1 pc guitar loaded jack socket plate 1 pc guitar neck plate Mounting screws included Specifications: Material: Metal Size: As shown in the picture Color: Gold, Silver, Black (optional) Note: Please allow 1-2 cm differences due to manual measurement. Due to differences in monitor displays, the actual color of the item may vary slightly from the picture.