Ernie Ball Gold Satin Axis Spring Loaded Capo For Acoustic/Electric Guitar 9606     Ergonomic, easy-to-use capo for 6- or 7-string electric or acoustic guitars  Slick, one-hand operation  Dual radius…Yeah Baby…it will work on both flat and curved fretboards  Buzz-free use yet not a buzz kill.   Precision-molded rubber pads safeguard your instrument against scratches  Lightweight, rugged aluminum housing      FAST & FREE SHIPPING!