Gaomumu Guitar Nut Bridge Saddle File Set, Luthier Repair Tools, Precision String Groove Polishing Files, Portable Maintenance Kit for Acoustic Electric Ukulele Bass Banjo Mandolin

STURDY METAL BUILD: This guitar maintenance file set is crafted from high-grade durable metal material with fine polished surface. The sturdy structure features excellent wear resistance and deformation resistance, supporting long-term repeated polishing and trimming work without abrasion or tooth wear for stable professional performance. PRECISION POLISHING PERFORMANCE: Equipped with multiple round files and a practical plane file, this tool set realizes accurate string groove depth trimming and saddle shaping. The smooth file teeth ensure uniform grinding, effectively optimizing string height and fitting degree to restore pure and resonant musical instrument tone quality. SAFE INSTRUMENT PROTECTION: Designed with smooth fine-tooth structure, these professional files polish bone, plastic and wooden nuts and saddles evenly without scratching or damaging instrument surfaces. It avoids excessive grinding damage, safely adjusting string spacing and height while protecting your valuable stringed instruments. PORTABLE INTEGRATED DESIGN: Coming with a matched compact storage box, all files can be neatly stored and organized. The lightweight and mini-sized kit saves space in guitar cases and backpacks, enabling convenient carrying for outdoor performances, travel and on-site instrument emergency maintenance. WIDE INSTRUMENT COMPATIBILITY: This versatile luthier tool adapts to various stringed instruments, perfectly suitable for acoustic guitars, electric guitars, ukuleles, basses, banjos and mandolins. It serves as an essential DIY and professional maintenance accessory for music lovers and luthiers.