I love these vintage Yamaha pedals, they have a certain vintage sci-fi swagger. I saw the name and had to buy this... are you the HARDIST? It turns out they've just squished 'Hard Dist' into one word, but hell: that's so nasty. This delivers that thick and nasty hair metal snarl. 
"I'm a multi-millionaire... still the HARDIST n**** here"
- Jay Z, Death of Autotune

Model: Yamaha DI-03 Hardist 
Made: Japan, 1982 aapprox
Serial: none
Type: distortion
Power Input: standard 9v DC centre-negative (supply not included)
Accessories: none

Condition notes: used, no major marks. Tested and fully functional.
Overall: very good condition (8/10)