String Instrument Accessories -Guitar File Nuts Highlights Generic Brand Guitar File Nuts Description: 10pcs Fret Nut File Tool: Also flat, square, barrette, cut, cross, round, oval, half round , triangle and back guard. Cover the full range of shaping, shaping, carving, engraving and stock removal Grinding and Fingerboard Protector: Professional tool for saddle, nut and fret polishing. The easiest and safest way to polish and clean guitar frets without harsh treatment Grinding Sponge: Can grind and polish all things metal, soft and can be washed Not only used for guitar, but also for guitar frets. other stringed instruments, like Ukelele and Bass Size Chart: Fret Nut File Length: Approx. 14cm / 5.51inch Stone Grinding (LxWxH): Approx. 9.9x1.1x1.1cm/3.9x0.43x0.43inch Diaphragm Protector (L): approx. 7.7 cm / 3.03 inch Grinding Sponge (LxWxH): approx. 9.9x6.8x2.9cm / 3.9x2.68x1.14 inch Package include: 1 Set 10 Steel Stainless Steel 2 Piece Grinding Stone Diaphragm Protector 1 Piece Grinding Sponge Note: Due to manual measurement, there may be some 1-2mm error