The product arrived quickly, description attached and the building went fast. Overall, a terrible Artikel.Leider was the use for reducing the umbrella stand diameter not To Attach or the set screw was not tightened. This attachment is loose. This is probably because this part has to be composed of plastic parts and presses the screw the plastic aside. "Ups" - and the invitation to send photos of the defect, so that you then kannn see how to proceed, if appropriate: On message to the seller was a quote. I then stated that I want to return the item and not received any further response ...