Ujjdwiurgh Fishing Umbrella Base Stand, Adjustable Stainless Steel Umbrella Holder Bracket Stand Base for Fishing Box

4. With 4 screws for easy installation, and one spare screw. 3. 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. 2. Two fine screw knobs can adjust the tightness of the tube to firmly fix the umbrella. 1. Made of stainless steel, sturdy, anti-deformation, anti-rust and . 5. Great accessory for fishing lovers, and portable, free your hands to enjoy fishing better.