Posted by mattfode on Aug 10, 2016; 4:26pm URL: http://guitar-fx-layouts.238.s1.nabble.com/Top-Gear-Fuzz-Sustain-tp31845p32462.html
Someone is selling one on reverb ( crazy Price)
But it includes some way clearer photos than what I have provided and they may answer some of your questions.
Have a look and let me know what you still need (see link)