I have symposium super platforms and roller blocks with the tungstin steel balls, as of right now all my equipment is not on the roller blocks because of a new an newley modded peace of equipment, need to wait till it settles in fully. And also my power cables are so thick that they would hamper the equipment to move freely an thus diminish the roller blocks efficiency. Its a never ending battle when you get into stuff like this as i'm finding as i get better equipment i have to be more cautious about what i use because the equipment is fine tuned already. Who knows i may end up not using the platforms in the end and go to something else.