The umbrella base is designed with exquisite workmanship, the screw knobs can perfectly adjust the tightness of the tube, keep the umbrella stable. This adjustable umbrella support base holder is made of stainless steel, possess high toughness and not easy to deform. This stainless steel umbrella fix bracketcomes with necessary parts, which is convenient for you to install it on the fish box to enjoy the fishing. This tool is suitable for various of fishing box, easy to apply, quick to mount. Features: PREMIUM MATERIAL: The adjustable umbrella support base is made of good quality stainless steel that is sturdy, anti deformation, anti rust and durable. And this umbrella base possess high toughness and not easy to deform.TIGHTNESS ADJUSTMENT: There are two fine screw knobs that can adjust the tightness of the tube to firmly fix the umbrella. And this stainless steel umbrella fix bracket is equiped with 4 screws for easy installation, and one spare screw.EASY TO INSTALL: There is a slot on the plate where the base can be easily mounted on it, and the screw knob on the side of the tube can help reinforce the tightness between the base and the plate.WIDE APPLICATIONS: This fishing box umbrella holder base is suitable for various of fishing box, easy to apply, quick to mount. Great accessory for fishing lovers, lightweight and portable, your hands to enjoy fishing better. Specification: Material: Stainless steelColor: Shown as pictureStand Size (Diameter*Height): Approx. 3 * 7 cm 1.18 * 2.75 inchPlate Size: Approx. 6 * 7 cm 2.36 * 2.75 inchSuitable for: Most umbrellasWeight: Approx. 210 g Package List: 1 * Umbrella Base1 * Mounting Plate5 * Screws