Eisenman Guitars is an instrument repair shop in Asheville, North Carolina specializing in Offers repairs, restorations, setups, and installs for all fretted instruments including electric and acoustic guitars, mandolins, banjos, basses, and ukuleles and with over 20 years of experience.. Whether you need a quick setup, fret work, or a more involved restoration, their team brings professional bench experience to every instrument that comes through the door.