I have 3 instruments equipped with Zero Glide nuts. My Gold Tone OB 50 Masterclone banjo as standard equipment, my Martin D Custom that I installed as an upgrade and now my Washburn M3SWK F body Mandolin that I also installed. WHY? Because the Zero Glide Nut system eliminates string bind at the nut. The need for toxic graphite or grease to lubricate the the string slots is eliminated as well. Once the Zero Glide nut is properly fitted, the action at the first fret will be perfect..There is a minor bit of shaping that goes into the installation process with a Zero Glide nut system.You will also have to trim the fret wire the is included. There are 4 pieces of fret wire of different sizes that are included. This is so you can match your Zero Glide up with the rest of the frets. Nothing too hard to do. Watch the how to videos for tips and tricks to make the installation possible. You can do this installation with some love and patients. Be prepared for better tuning, better action and more sustain. The Zero Glide has given me great results. This is why I have a Zero Glide for my mandolin too.Read full review
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