commando250, The Ttokkyo sust is called Testonon 250, the Ara-Test is a mix of Enanthate and Prop and is made by Aranda(sp?) both are pretty good products. I think the Ara comes in a 10cc vial and is 250mg/cc and the Testonon is in a 5ml vial and is 250mg/cc. Hope this helps clear things up.
M18