I ordered five 36-inch and one 24-inch planter for our deck...wanted to be surrounded by flowers! These rail planters did the trick, and I especially like that from the deck all I see are the flowers, not bulky planters. Some planters mounted more easily than others...out of the six, two had bolts that wouldn't tighten, no matter what, so we screwed those mountings down, which seems to solve that problem. For this reason, and because a few planters sit a tad crooked (again, no matter what), I gave them 4 stars. Overall, though, very pleased.