Zero Glide - ZS-3 Slotted Replacement Nut for Martin 3 Saddle wound to the same specification

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

You will also need an imperial allen key for adjusting the tension which is not included

but is impregnated with PTFE to improve the tuning performance of the guitar

the KickAss™ might seem like a simple

Zero Glide - ZS-3 Slotted Replacement Nut for Martin 3 Saddle wound to the same specificationZero 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.