Two piece construction assembles easily with one carriage bolt. A drainage hole at the bottom of the sleeve eliminates water buildup. Four 3/8" diameter holes are provided in the base plate for securing the stand to the deck or surface on which it rests. Thick durable feet made of long lasting tested molded Polypropylene provide protection against surface scratches and keep base plate off the ground, minimizing moisture buildup. Heavy steel constuction provides sound umbrella support. Standard paint finish in almond. The sleeve size (around the umbrella pole) is 1.5".