Estone 9-pin 3pdt Guitar Effects Pedal Box Stomp Foot Metal Switch True Bypass New Only sold by Heroneo.Photo taken by Heroneo. 100% Brand new and high quality The item can be used to rewire vintage pedals or effects boxes For unbuffered bypassing/true bypass of the effect circuit without coloring the tone of the instrument or other components in the signal chain. The third pole can be wired to control an LED status light or other custom function. There are a total of 9 lugs on each switch, three per pole.There are a total of 9 lugs on each switch, three per pole.