MIECOO 19PCS Guitar Repair Tool Kit with 8 Inch Guitar Fret Leveling Beam, 9 Understring Radius Gauge, Fret Crowning File, String Action Ruler Gauge, Fretboard Guard, Screwdriver and Sandpapers

【GUITAR LUTHIER TOOL KIT INCLUDES】1 x Fret Leveling Sanding Beam (8 inch); 1 x Fret Crowning Luthier File; 1 x String Action Ruler Gauge; 9 x Understring Radius Gauge; 2 x Fretboard Guard Protector; 4 x Replacement Sandpaper; 1 x Two-way Screwdriver; 1 x Portable Storage Bag. 【FRET CROWNING FILE & FRETBOARD GUARDS】made of stainless steel & durable. Fret crowning file is used to narrow fret crowning after leveling, and comfortable ergonomic rubber handle makes it efficient and time-saving while polishing or dressing the fret wire. Fretboard guards are used to protect guitar, bass or other string instrument fretboard from scratching or damaging while filing and polishing. 【9 UNDERSTRING RADIUS GAUGE】made of stainless steel & durable. Set of 9 including 7.25", 9.5", 10", 12", 14", 15", 16", 17" and 20" radius gauge, applied to accurately measure fretboard radius, saddle radius, nut radius from either the top or the bottom radius surface. A must-have guitar repair tool for maintain and adjustment. 【FRET LEVELING SANDING BEAM】made of aluminum alloy material, strong, rust-proof and fine workmanship. There are four kinds of self-adhesive sandpapers (400#, 600#, 1000#, 1200#) on four sides of the level beam, applied to meet your different polishing needs. Also comes with a set of sandpapers for replacement and long-term use. 【STRING ACTION RULER GAUGE】made of stainless steel & pocket-sized. Used to measure string height, bridge saddle height, pickup polepiece height, nut height, saddle slot depth, fret slot depth, etc. Also printed with a conversion chart of string action at 12th fret.