Features: The parasol wall mount is made of sturdy aluminum alloy which is made by special processing, which has the functions of durability, wear resistance and rust resistance. Set 2 parasol wall mounts feature a screw knob that allows you to easily adjust the tightness of the tube for fixing the umbrella and parasol. The plate There is a slot in the parasol base for easy insertion. The side screw knob on the tube can help improve the sealing between the base and the plate. Features: Material: aluminum alloy. < p>Dimensions: 5.7 x 3.5 cm. Color: Blue. Tip: Due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Thank you for your understanding. Thank you. High-quality materials: The fishing umbrella stand is made of high-quality aluminum alloy. The surface is treated with antioxidants, which has the function of anti-deformation, anti-rust, strength and durability.