I also run the Dyna beads in the T. It seemed a little pricey, but the results are worth it. Have mine in for the same time as Fidgiter. You can try to explain it til the cows come home, it still doesn't make any sense to meBut they work.
You're lookin' at the sizes backward. Shot gets smaller as the number gets larger. 9 is WAY smaller than 6!