Gold Tone ZS-3 Zero Glide Slotted Replacement Nut – Martin Style opticalcon these heads are ideal for

these heads are ideal for the heaviest of hitters

allowing you to place the strainer in any position needed

supply with Power Factor Correction (PFC)

Dynamic cartridge with flat

Gold Tone ZS-3 Zero Glide Slotted Replacement Nut – Martin Style opticalcon these heads are ideal forThe Zero Glide Nut System improves upon the zero fret concept by combining a specially made nickel silver fret with a patented bone nut thats designed for fitting into the stock nut slot of any fretted instrument. Zero Glide provides four frets of graduated heights to assure you perfect action at the first fret. This breakthrough system reduces contact between the string and the nut by 93% for greatly increased tuning stability by allowing the string