Zero Glide - ZS-1 Slotted Replacement Zero Fret Nut for Gibson Guitars
The Zero Glide Replacement Nut System borrows the "zero fret" concept to reduce string contact in the nut by up to 93%, increasing tuning stability, playability, and open string tone. It only takes a few minutes to install with absolutely no permanent alteration to your instrument. For Gibson Style Electric and Acoustic Guitars.