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 instrument's finish! This capo fits all standard banjos, mandolins, and ukuleles.