Truetone 1 Spot MC2 24" 2-Plug Daisy Chain Extension Cable for Pedal Power Supplies

MC2 - Two 5.5 x 2.1mm plugs & socket. For use as a 2-plug daisy-chain with 1 SPOT power supplies or with most other brands.  For current doubling, insert 2 plugs into 2 outputs of a 1 SPOT Pro or other power brick and use the socket with a DC cable to power high-current effects.