Material: Aluminum alloyColor: SilverAluminum alloy material， durable.Fits comfortably in your hand.Without adjustment.Can clamp on most fretboard.Small in size， convenient and portable.Hold the strings nice and tight.Can even change keys during a song.Used for electric or acoustic guitars.Can be quickly and easily released and repositioned.Package Content:1 x Single-Handed Tune Quick-Change Capo