Originally Posted by Sh0velMan

IMPACT swivels are key. They don't bind like normal swivels do. Chances are, if you're using ~20-30" of total breaker bar length, and you aren't getting any movement, it's because your swivels are binding and you're just putting torque on them instead of the nuts.

This is what I have, super cheap and get the job done. 2 Piece Universal Impact Joint Set