It’s an octave fuzz. Genuine Germanium clipping diodes. Filthy and unpredictable.  
 
Features:
True bypass with silent, soft-touch footswitches.
Top mounted, 1/4in. I/O jacks.
Top mounted DC Jack: Standard 2.1mm, center-negative. Accepts 9VDC. 
Octave on/off toggle, soft-touch footswitch.
Power Consumption: 45mA @ 9VDC
Input Impedance: 2.2Mohms
Output Impedance: 1kohms min