Mitchell abrasive cord with myriad uses for luthiers, including smoothing string notches in nuts and metal saddles, deburring metals and plastics, cleaning threads, smoothing holes and refining fine details when cutting inlay and marquetry.
Each spool of Mitchell's Abrasive Cord is 12 feet long (3.66m).
Available in four thicknesses, the #55S and #60S are coated in a silicon carbide, while the #52 and #54 are an aluminium oxide abrasive.
Handy flexible abrasive
Posted by David Snowdon on 2nd Jan 2017
This is a very useful abrasive cord for smoothing out file marks in nut slots, bridge pin hole slots and probably lots of other things too!