This solid concrete parasol base, with a total weight of 24.25 lb, perfectly serves as a firm and sturdy base for holding your parasol. Its durable steel construction is filled with concrete, which ensures best stability for years of use. The installed 3 adapters would accommodate parasol poles of 1.18" / 1.38" / 1.5" in diameter. You could choose to take them away according to the pole diameter of your parasol. With only one button, it is very easy to get the parasol mounted, keeping the parasol fastened tight and straight.