1. Made of good quality stainless steel, sturdy, anti-deformation, anti-rust and durable. 2. Two fine screw knobs can adjust the tightness of the tube to firmly fix the umbrella. 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. 4. With 4 screws for easy installation, and one spare screw. 5. Great accessory for fishing lovers, lightweight and portable, free your hands to enjoy fishing better. Colour: silver Material: stainless steel Size: inner diameter: 29mm Package Contents: 1 * Umbrella Stand 5 * Screws Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. Made of good quality stainless steel, sturdy, anti-deformation, anti-rust and durable. 2. Two fine screw knobs can adjust the tightness of the tube to firmly fix the umbrella. 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. 4. With 4 screws for easy installation, and one spare screw. 5. Great accessory for fishing lovers, lightweight and portable, free your hands to enjoy fishing better.