Ernie Ball Guitar Axis Capo Ernie Ball Axis Capo – Dual-Radius, One-Handed Operation Fast, sleek, and built for every fretboard. The Ernie Ball Axis Capo is a precision-engineered tool that lets you change keys with one hand, clamp cleanly across any neck, and match your gear... MSRP: Was: Now: USD$18.06 Choose Options