I put this through the center hole on my new new picnic table for extra support for my umbrella, it fit perfectly and didn't take too much space under the table to impede my guests feet. It also work well as a free standing stand in the garden between chairs, I would close your umbrella in big winds regardless!
A good sturdy umbrella base. Holds our 9" umbrella very well. Will have to wait to see how the metal pole holder stands up tot he elements but the granite will survive my New England weather.
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