These files, specifically made designed to cut varying string size grooves in the nut, are absolutely essential to any serious instrument builder or repairperson.
Our FN file set is a set of 5 files with the following sizes: .016”, 024”, .032”, 040”, .058”. and our FISET is a set of 8 files with the following sizes:.056”, .046”, .036”, .032”, .024”, .017”, .013”, .010”. The files are 5 7/8” long and 1/2” wide, with a cutting surface of 4 1/2”.
Our double sided nut files (FNS) make quick work of filing string slots on your nut. Overall length of these files including easy grip rubber handle is 7 ¾”. The tapered cutting edge is 3 ¾” long. The files measure .080” at the center and taper to the cutting edge. Dimensions at the outermost edge of each file: Red - .016” and .042”;
Blue - .026” and .046”; Orange - .036” and .055”.
