Kyser's Quick-Change Capo is a favorite of guitar players worldwide! The strong, lightweight aluminum design won't let you down, even after years of use. The Quick-Change Capo uses a spring-clamping mechanism for easy-on, easy-off with just one hand. Best of all, the Quick-Change Capo won't affect your guitar's finish! This capo features a 3-String design, covering either strings 4, 5, and 6 or 3, 4, and 5.