Convert standard 2.1 to 3.5 (for
some DOD, RAT, Electro-Harmonix, etc) 1 2.1 female socket, 1 male r/a 3.5 plug;
about 3" long. Used to power 3.5 pedals thru PedalSnake PLines. If these pedals
are used with their own 3.5 power supply--so also see Power Plug Adapters for
Supplies.