These are designed to be used to slightly widen your existing nut slots if you are encountering binding in the nut (that ping sound you get when tuning) or if you want to move to a thicker gauge string.
Guitar Nut Files Suitable Size Guitar Nut Slotting File Handle Design Sturdy For
3Pcs/Set Guitar Nut Files Fret Crowning Slot Filing Luthier Repairing Tool Kit
10Pcs Guitar Nut Files Slot Filing Luthier Repair Saddle Slot Bass Care Tools
4 String Bass Guitar Nut Files 45-105 Gauge (45, 65, 85, 105)
5 String Bass Guitar Nut Files 45-135 Gauge (45, 65, 85, 105, 135)
3Pcs Steel Guitar Nut Files Fret Crowning Slot Filing Luthier Repairing Tool Kit
