Zero Glide - ZS-14 Slotted Replacement Nut for Guitars
The Zero Glide ZS-14 Replacement Nut System borrows the "zero fret" concept to reduce string contact in the nut by up to 93%. Because of the reduced contact, your guitar benefits from better tuning stability, playability and improved open string tones. It only takes a few minutes to install with absolutely no permanent alteration to your instrument.