Black Fixed 6 String Headless Guitar Bridge Tailpiece Roller Saddle With Worm involved string device$$Music

Special worm involved string device for bridge parts,no need customized double balls string,ordinary single ball strings can be used. Depending on your project, you'll have to measure and drill both the guitar neck and body to mount this kit. 6 String Fixed Headless Guitar Bridge Tailpiece Accessory With locking nut. length of nut: 42mm