Durable Material: The beach umbrella stand is made of 304 stainless steel, sturdy, anti-deformation, rust-proof and durable, can be used for a long time even in bad weather Fix the umbrella firmly: The umbrella stand can firmly fix the umbrella on the fishing box, protect you and your fishing tools from the sun or rain even on hot summer days or rainy days Adjustable tightness: The umbrella stand has two screw knobs, which can adjust the tightness to suit different sizes of umbrella handles and prevent the umbrella from falling off. Suitable for umbrella handle diameter less than 29mm Easy Installation: The umbrella stand comes with 2 mounting plates and 8 screws for easy installation and 2 spare screws. There is a slot in the plate for easy mounting of the umbrella stand base on the plate Wide application: the metal umbrella stand base can apply for fishing fort, fishing tank, rod fishing platform, fishing chair, fishing box, etc. Can be used under the scorching sun or against winds