This solid parasol base, with a total weight of 20kg, perfectly serves as a firm and sturdy base for holding your parasol. Its durable granite construction ensures best stability for years of use. The installed 2 adapters would accommodate 38 / 48 mm parasol pole, you could choose to take them away according to the pole diameter of your parasol. With only one button, its very easy to get the parasol mounted, keeping the parasol fastened tight and straight. - Berkfield Home Granite Parasol Base Umbrella Holder 20kg in Grey