Features: These guitar replacement set made from metal with mounting screws, ready for use Guitar jack plate,a superior quality replacement output jack plate socket for guitars,Suitable for style guitar Use this guitar roller string trees will improve tuning stability with tremolo use, much easier tuning as they roll with the string tension Guitar string tree guides prevent wear and tear on the string which results in longer string life. Great replacement for your broken, dirty or old string retainer Package Included: 2pcs guitar roller string tree,1pcs guitar loaded jack socket plate,1pcs guitar neck plate,come with mounting screws Specifications: Material: Metal Size: As the picture shows Color:Gold,Silver,Black;(Optional) Package Includes: 2xGuitar Roller String Tree 1xGuitar Loaded Jack Socket Plate 1xGuitar Neck Plate Come with Mounting Screws note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.