Made of aluminum alloy material, anodized surface, anti-deformation, anti-rust, sturdy and durable. Adjustable angle, can move the umbrella to the left or right, forward or backward. Suitable for connecting umbrella rod diameter 22mm, lower rod diameter 25mm fishing umbrella. Excellent design is suitable for most umbrellas and can be used anywhere you want, such as benches, tailgates, boats, poles, boats, fences.