The Korg Nutube OD-E1 electronic part kit of overdrive contains the components to be assembled on the main circuit board. This kit includes resistors, capacitors, diodes, inductor, IC socket, operational amplifier, J-FET, connectors, slide switch, trimmer potentiometer, voltage regulator, DC jack, volume controls, phone jacks, harnesses, battery snap, LED holders, hardware and footswitch.