Features: brand new and high quality Metal Material: Made of quality metal material, high strength, high hardness, solid structure, not easy to damage. Replacements: Suitable as tremolo arm socket perfect replacements accessories for guitar tremolo bridge systems. Easy of Installation: Lightweight and compact, easy to install and use, the tremolo arm socket is for ideal for electric guitars. Workmanship: Exquisite workmanship makes it stable in structure, excellent in performance, and provides an excellent user experience. Good Choice: This is a direct plug in tremolo arm socket, for ideal for guitar lovers. Great for electric guitar tremolo bridge system. Specifications: Material: Iron+Brass Color: As The Picture Shows Package Weight: approx.10g Length: approx.32mm/1.26in Inner Diameter: approx.6mm/0.24in Outer Diameter: approx.9.56mm/0.38in Package Includes: 1Pc x Tremolo Arm Socket note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!