Offset Patio Umbrella BaseExtra Large Load bearing Capacity The plate can hold up to about 55 lbs of water (each) for a combined total weight of about 220. 5 lbs. The greater load bearing capacity ensures that your patio umbrella will have a reliable anchor point. More Sturdy Connection Design This base has a unique mortise and tenon joint, so you can simply place the carabiner block between the two base plates and it will fit together easily, this design will hold your