No wrote:

Silva hs used many over the years. Most reciently he has been using tools
from Festool. His drill is the CDD. They may a line of tools that are part
of a system. See http://www.festools.com/festool_subcat.asp?subcat=22.32 and
http://www.festools.com/festool_store.asp
....

I suspect what he uses on shows anyway is predicated by who is the
sponsoring agent at the time...what he use(s/d) on his own is probably
similar but may well not be/have been the same...