The classic green box of dirt...  chances are one of these makes an appearance on your favourite record, so hey, why not give it a spin on your own stuff too? 

Model: Ibanez TS9 Tube Screamer 
Made in: Japan, recent model (serial 0841036)
Type: low gain boost/overdrive
Power: standard 9v supply or battery
Equivalent new street price (approx): $149aud
Mods: none
Accessories: no box or manual
Condition notes: few minor marks, good condition