ITEM NAME:1 Set Guitar Nut File Set No Box with 9 Pieces Sandpaper Luthiers Tools Gift Description: This is a handy set of 13 round files( for the depth of string slots) and 1 x flat file( for the height of nut and bridge). Absolutely perfect for filing string slots into nuts and bridges for Acoustic Electric guitars Unlike most standard tip cleaners, these feature longer shaft length with 25mm grinding length and 30mm length of the hilt, which makes them easier to use for filing string slots. The sand paper let you can adjust the high of your saddle and nut anytime, you can use it polish the finger board, fret, side, strings etc also Material: Stainless Steel & Sandpaper Size Chart: Nut Files Length: Approx. 5.5cm/2.17inch Sand Paper(L x W): Approx. 9.2x5.6 cm/3.62x2.2 inch Package Includes: 1 Set 13 Size Steel Stainless Files 9 Pieces Sand Paper (3 Pieces 320 grit, 6 Pieces 240 grit) Note: Due to manual measurement, there may be 1-2mm error in size SKU: DMO0015816561002228.Material: Stainless Steel & Sandpaper. This is a handy set of 13 round files( for the depth of string slots) and 1 x flat file( for the height of nut and bridge). Unlike most standard tip cleaners, these feature longer shaft length with 25mm grinding length and 30mm length of the hilt, which makes them easier to use for filing string slots.