I found the welds on the 3/4" pin bases at WalMart were almost non-existant. I bought some for Gander that were much better welded. I beefed up the welds on mine. If you are getting rocking motion and it's coming from the pole, replace it. I had a 175 pound man try to use one of mine as a rocking chair and the pole had to be thrown away. It loosened up top and bottom. They are just press-fitted. If the movement is your base, you need to figure a way to beef it up under the deck.