Roadie 3 Smart Automatic Guitar Tuner, Metronome & String Winder

Works on most stringed instruments with a guitar machine head including electric, acoustic and classical guitars with nylon strings, 6, 7 and 12-string guitars, ukuleles, mandolins, banjos, lap steel guitars, bouzouki, mountain dulcimer, santoor, cigar box guitar, qanun with geared pegs, violins with planetary pegs, and many more! (Note: It does not tune bass guitars, get Roadie Bass to tune bass guitars too).