Zero Glide - ZS-3 Slotted Replacement Nut for Martin 3 Saddle The ZS-18 is for bass

The ZS-18 is for bass guitars

wound to the same specification as given to Trev Wilkinson by the creator of the humbucking pickup design

Precision Manufactured from 8mm thick clear acrylic sheet and engraved with the part number of the matching ferrule block and which pocket it produces to remove ambiguity

the KickAss™ might seem like a simple

Charge iOS Devices via Optional Adapter (Not Included)

Zero Glide - ZS-3 Slotted Replacement Nut for Martin 3 Saddle The ZS-18 is for bassZero Glide ZS 3 Slotted Replacement Nut for Martin 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 Martin Style Guitar.