NEW Sound Offset Spacer for ACOUSTIC Guitars, fitting scale 643-650mm MTS theory Because the bushing is physically

Because the bushing is physically separate from the machine head body it is difficult to accurately position the string post through it when mounting onto the guitar

Fret Crown Height: 1

Air Norton S™

Simply slip the Key into place over the string lock screw

NEW Sound Offset Spacer for ACOUSTIC Guitars, fitting scale 643-650mm MTS theory Because the bushing is physicallySound Offset Spacer for acoustic guitars ( bronze string) fitting scale : 643 650mm S. O. S improves the intonation at each fret and easy installation to your instruments. We only insert the S. O. S next to the nut between the fingerboard and the strings. It is designed and based on MTS theory (Patent no. 4383272) and made in Japan. What is MTS theory? MTS is an ultimate guitar tuning system based on the laws of physics. All fretted instruments have