Electric Guitar Capo Quick Change for Ukulele Banjo Mandolin Bass Capos This capo is easy to use and very fast to change! Can even change keys during a song. A perfect is available for the necks and fingerboards of electric or acoustic 6- string guitars Professional capo built to last - built of lightweight high quality zinc alloy (aircraft grade metal) Quick-Change action allows for repositioning of the capo with only one hand No scratches ,No fret buzz ,High Quality ,High Performance Spring Tension clamps maintain intonation