1、HEADLESS DESIGN: The bass string lock adopts a headless design, making the entire body more compact and lightweight, convenient to carry and play. 2、METAL MATERIALS: This string locking nut is made of premium metal materials, with good durability and sound performance, providing users with excellent playing experience. 3、EASY TO INSTALL: This string lock comes with accessories such as screws, making it easy for users to install and adjust. 4、FINE WORKMANSHIP: Well crafted in 39mm, and smoothly surface, this headless string lock has a comfortable feel and ensures a perfect fit. 5、IDEAL REPLACEMENT: Wonderful replacement for the old and damaged parts, attention to details, helps you improve the performance! Item Type: Headless Bass String Locking Nut Material: Metal Size: Approx. 39mm / 1.54in 1 x Headless Bass String Locking Nut 2 x Screw