I am replacing a set of counter tops that the upper cabinets above the peninsula were setting on 4 legs screwed down to both the top and cabinet bottoms. What I have thought of doing would be to "hang the cabinets" from the ceiling joist with ready rod. My problem is there is an open soffit above the cabinets and I need something to cover the ready rod with. I was thinking of something similar to an extension from a hanging light, and run the ready rod through them. Any body know where to look for tubes such as this? I'm not finding much since I'm not sure what to call such.