Shubb C1K Black Acoustic/Electric Guitar Capo The Shubb Original C-Series Steel String Capo is slightly curved and 2" across. This capo fits almost all acoustic steel-string and electric guitars. The Original C-Series steel string capo features a patented locking action that provides an unrivaled combination of power, speed, accuracy and ease of use. One smooth flip of the lever locks it securely in placeand removes it just as quickly. And the Shubb C-Series capo doesn't create tuning problems. Its soft, resilient rubber is specially designed to work just like a fingertip, so the capo doesn't bend the strings over the frets. Its closing action is just like your hand's, so the Shubb Original C-Series Steel String Guitar Capo doesn't pull strings off center. As a result, no retuning is necessary. Since 1980 the Shubb capo has set the standard against which all others must be measured. It is the first choice ... often the only choice... of hundreds of thousands of musicians worldwide. Once the serious guitarist has discovered the Shubb, he'll never settle for anything less. What makes the Shubb capo 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. Original Shubb capo for Steel Strung acoustic/electric guitars. Shubb offer different models of capo to fit various shapes of fretboard.