Saddle Inserts

FU-Tone titanium or naval brass saddle insert upgrades for locking tremolos—made from titanium and naval brass! Our string lock block inserts do not crack or expand and get stuck in your saddles. FU-Tone Saddle Inserts provide the ultimate in tonal response, sustain and clarity while adding increased performance.

Video Demo: Take a listen to the same Liuteria Rox guitar fitted with stock steel saddle inserts vs titanium and naval brass saddle inserts. It’s an easy upgrade; check them out.
FU-Tone – use what the PROS use!