Check the listing for details. Shubb Original C-Series 12-String Guitar Capo Brass. Color: Brass, Condition: New. Listed at 24.95 USD. The Shubb Original C-Series 12-String Capo is 2-1/4 in. and slightly curved to better fit any steel string guitar with a wide fretboard. Choose either nickel-plated or plain brass finish.The Original C-Series capo features a patented locking action that provides an unrivalled combination of power, speed, accuracy and ease of use. One smooth flip of the lever locks the capo securely in place-and removes it just as quickly.And the Shubb 12-string capo doesn't create tuning problems. Its soft, resilient rubber is specially designed to work just like a fingertip, so it doesn't bend the strings over the frets. Its closing action is just like your hand, so the Shubb Original C-Series 12-String Guitar Capo doesn't pull your strings off-center.