Description: 【Material】: Crafted from zinc alloy, this headless bass string locking nut is designed to resist corrosion and provide long performance 【Enhanced Sound Performance】:The String Lock Nut ensures your strings are tightly locked in place, enhancing tuning stability and overall playability for a seamless musical experience 【Easy Installation】: Designed for user convenience, this Guitar Locking Nut comes with screws and a wrench, allowing for quick and easy assembly or disassembly 【Compact】: This 4 String Headless locking nut is suited for most headless electric bass guitars, offering a snug fit without compromising on functionality 【Comprehensive Package】: Includes a complete set of the string locking nut system, providing everything you need to upgrade or replace your current setup efficiently Size Chart: 3.9x2.6cm/1.54inchx1.02inch Package Includes: 1 Headless Guitar Nut, 2 screws, 2 wrenchs Note: Please allow slightly errors due to manual measurement and different monitors.