D'Addario NS Ukulele Pro CapoDesigned specifically for ukuleles, the Ukulele Pro Capo assures buzz free, in tune performance at any fret. The patented micrometer adjustment mechanism allows you to dial in the exact tension needed for clear ringing notes without excessive force in any position on the neck. This greatly reduces the need to retune your ukulele during and after capo use. The sleek aircraft grade aluminum construction can withstand the toughest playing touring