Hosco SOS Electric SOS-E

The Hosco S.O.S Sound Offset Spacer for Electric guitar improves the intonation at each fret. It installs easily on your instruments. Insert the S.O.S next to the nut between the fingerboard and the strings. Fits most of major instruments like Strat, Tele, Les Paul, etc. It's design is based on MTS theory (Patent no. 4383272) and it is made in Japan.