Electric Guitar File Set for Super Light Strings (.010”, .013”, .017”, .024”, .032”, .042”) Industrial Strength Diamond Coated, Comes in Compact Aluminum Case 3" x 6" x 1.4" strong, lightweight, innovative round rope-shaped blade design that won't bend, resulting in smooth, precise cuts, laser-engraved size on each blade plus ergonomic, convenient handle workbench hang hole, perfect for simultaneously cutting and grinding new or existing nut slots, ideal for all common nut materials like nylon, bone, graphite and TUSQ, even work great in saddles.