The Kyser Pro/Am Guitar Capo is an economical and portable capo for any six string guitar that has a radius fretboard (acoustic or electric). Kyser Pro/Am Guitar Capos are professional quality and made from lightweight aluminum. The tension screw allows for precision adjusting, and it's non-marring and non-reactive to guitar necks. Like Kyser Quick-Change Capos, each Kyser Pro/Am Guitar Capo is made by hand in Texas, USA.