The classic yellow box of more. This example dates to 2003, so it's got a few miles on the clock and the scrapes and knocks to prove it. If you're after a pedal to make your dirty amp even more dirty, this is a perfect candidate.

Model: Boss SD-1 Super Overdrive
Made: Taiwan, 2003
Serial: QR00915
Type: overdrive
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 (7/10)