Nut file set for any string instrument, including string gauges: .010”, .013”, .017”, .020”, .024”, .028”, .032”, .036”, . .042”, .046”, .050”, .056”, .065”, .085”, .105”, .130”, industrial strength diamond coated, comes with organizational storage case and convenient brush 12" x 7" x 2" cleaning tool, innovative rope-shaped round blade design that won't bend resulting in smooth, precise cuts, laser-engraved size on each blade plus ergonomic handle and convenient hole for hang on your workbench, perfect for simultaneously cutting and grinding new or existing nut slots, great for all the most common nut materials like nylon, bone, graphite and TUSQ, even work great in saddles.