2pcs 9-pin 3PDT Guitar Effects Pedal Box Stomp Foot Metal Switch True Bypass Brand New and Never Used The item can be used to rewire vintage pedals or effects boxes The third pole can be wired to control an LED status light or other custom function. It's also a very tough switch that will last a very long time For unbuffered bypassing/true bypass of the effect circuit without coloring the tone of the instrument