Hey Frank, Tom uses a Boss GS-10 for his tones. You can see it in this video at around :30:

https://www.guitartricks.com/lesson.php?input=26974&s_id=2258

There is also an extra foot pedal he adds into the chain, and at the moment I can't recall what it is -- it's some sort of secret trick he uses for a little more bite and sustain, so it must be doing its job if you noticed! (I'll try to find out what it is.) But his primary tones come from that GS-10.

-Carl.