Hosco Nut File 013

Hosco nut file. 15cm length, teeth per inch : 80. Width: 013 inch / 0,33 mm
A high quality Hosco nut file . A string seated in a properly filed nut will have the correct height and will also prevent extraneous string noise from the nut.

0.013 inch / 0,33 mm width.

A typical set for classical guitar would contain the following files:

0.028 inch . Width: 0.032 inch . Width: 0.036 inch . Width: 0.042 inch
A typical set for electric and acoustic guitars will depend on the string gauges. Always check the package for the string gauges and use the same file gauge accordingly.
A great aid in filing nuts is the Hosco GrooBar. This will prevent you from filing the string slot too deep.