The Ernie Ball Axis Capo's ergonomic features allow for fast and accurate single-handed key changes. A dual-radius design conforms to flat or curved fretboards, ensuring buzz-free operation on 6, 12 or 7 string electric and acoustic guitars.Features:- Quick, single-handed operation- Dual radius design fits flat or curved fretboards- Precision-molded rubber pads safeguard instrument finish- Optimal clamping pressure for buzz-free operation- Made from robust, lightweight aluminum- Ideal for 6, 12 ..