Got the 84" stainless top with my 10 piece set.  Very heavy, easy mounting.....HOWEVER, had to shim my countertop up off the base cabs with some washers I glued in place in order to clear the base cab top drawers & cab doors.  Also the under edge of the stainless was slightly hanging down over most of the span of the counter contributing to the clearance issues of the top drawers/doors, the under edge should've been glued, so I had to superglue it down myself.