The Fulltone OCD Overdrive Pedal is one of the best, most versatile and widely used overdrives on the planet. Hand built in the USA the Fulltone OCD Overdrive Pedal gives the guitarist the creamy tube amp overdrive so heavily sort after. Run it into an already overdriven tube amp and it will send the amp into tone city... The Fulltone OCD Overdrive Pedal - Obsessive Compulsive Drive-overdrive pedal packs classic OD tones into a compact pedal with simple, no-fuss operation. From heavy crunch rich with overtones and feedback to spanky cleans, the Fulltone OCD Overdrive Pedal delivers the sounds of a great tube amp, as sell as the same sensitivity and response to your playing style.Along with standard Volume, Drive, and Tone controls, the OCD's HP/LP (High Peak/Low Peak) switch takes the pedal from a clean boost to manic, sustain-laden distortion. True bypass switching.

Click here for more info