The patented Tri-Action Ukulele Capo reduces the force required to open and close this high-quality ukulele capo, allowing you to dial in the perfect clamping tension for your instrument and eliminates the need to retune during use. The capos micrometer tension adjustment applies direct horizontal pressure for even clamping tension regardless of neck profile. The lightweight construction can withstand the toughest playing/touring schedule while adding negligible additional weight or obstruction to the instrument.