Welcome, you are looking at a really cool piece.
This is the Pigtronix Disnortion OFO Electric Guitar Distortion Effect Pedal.
Pigtronix was/is the company that take designs outside the norm to create pedals that never existed before.
The Disnortion OFO features Octava, Fuzz, and Overdrive- all wired in series so you can stack them or use them by themselves.
Each gain type features its own set of controls so you can dial them in to perfection.
This Disnortion is in very good overall condition as you can see in pics.
Tested and works as it should.
This is your chance to add an incredible discontinued pedal to your rig.
We were an authorized Pigtronix dealer for over a decade.
Buy with confidence.
Don't pass this by!