I already had a storage rack almost identical to this one. A few of the plastic pieces holding the hooks were torn and could not be used. I was trying to mount one of the plastic parts from my new frame onto the metal bracket on my old frame. Although the dimensions are exactly the same and the new part slides nicely over the old post, I wasn't able to fully install it because the new plastic part hit a Tapcon screw head that was sticking out of the old metal surface. Frame. I found that my old plastic parts have cut outs to allow them to slide over the screw heads. This new stand has no cutouts in the plastic parts. Conclusion: If you use the screws that come with this rack, everything is fine. However, if you are using Tapcon screws that protrude above the surface of the counter, make sure all the plastic hooks are in place where you want them before screwing the counter to the wall (in my case it's a concrete block) . wall in my garage).