The Carl Martin Octa-Switch MK 2 Guitar Effects Pedal Loop Switcher is a versatile and high-quality pedal designed for musicians playing acoustic, electric, and bass guitars. Designed and manufactured by the reputable brand Carl Martin, this loop switch pedal allows for seamless switching between various effects and settings, enhancing the creative possibilities for guitarists. With its durable construction and user-friendly design, the Octa-Switch MK 2 is a reliable accessory for guitarists looking to expand their sound and performance capabilities. This example is in great overall condition and comes with operating instructions. Thanks for looking and do not hesitate to contact me in the event of any questions.