Check the listing for details. Shubb C3B 12-string Guitar Capo, Brass Finish. Color: Gold, Condition: New. Listed at 21.95 USD. DESCRIPTION Original Shubb Capo in a brass finish with a 2 1/4" arm specially engineered for a 12-string acoustic or electric guitar fretboard. Introduced in 1980, the original Shubb capo is the choice of millions of musicians worldwide. What makes them so special? For one thing, its ingenious design: a patented locking action which provides an unrivalled combination of power, speed, accuracy and ease of use. One smooth flip of the lever locks it securely in place... and removes it just as quickly. FEATURES Brass finish with a 2 1/4" arm specially engineered for a 12-string acoustic or electric guitar fretboardSoft, resilient rubber is specially designed to work just like a fingertip, so it doesn't bend the strings over the frets and create tuning problems Its adjustable closing action is just like your hand, so it doesn't pull the string off center. As a result, no re-tuning is necessary!