Voodoo Lab Cable 2.1mm Reverse Polarity Center Positive Right-Right 18" Works with Voodoo Lab Pedal Power 2+ and ISO-5 Both ends right angle Used specifically for pedals with reversed polarity, such as Janglebox, Fulltone Octafuzz, Moog Moogerfoogers, and more. 2.1mm reverse polarity (center postive)