DiMarzio EP1201PP Push-pull Potentiometer - 500k Ohms
The DEP1201 PP is a potentiometer with a push/pull switch (push/pulled) two circuits, ideal for wiring split microphones, switching from active to passive.
Miscellaneous: Comes with nut and washer.
Type: Logarythmic Potentiometer (Progressive and Non-Linear Response Curve)
Value (ohms): 500k