Prevent wear and tear on the strings which results in longer string life. Lessen the stress on your strings, which allows the guitar to stay in tune longer
These string retainers are the type with the little rollers on them to help stay in tune and help prevent strings from breaking
string guides string trees help minimize tuning problems and sympathetic overtones caused by low string tension
Comes with 4 screws, 4 column and 4 spacers, easy to mount.Great replacement for your broken, dirty or old string retainer
Retain the string perfectly and reduce the string friction to save string, and guarantee more accurate