MusicNomad MN655 Diamond Coated Guitar Nut Slotting File .028

.028"/.71mm Nut File with Industrial Strength Diamond Coating Innovative Round "String-Shape" Blade Design that won't Bend, Resulting in Smooth, Precision Cuts Laser Engraved Size on Each Blade Plus Ergonomic Handle and Convenient Workbench Hang Hole Perfect for Cutting and Polishing at the Same Time for New or Existing Nut Slots Great for All the Most Common Nut Materials such as Nylon, Bone, Graphite & TUSQ. They Even Work Amazing on Saddles