This highly decorative parasol base is made of weather-resistant resin but looks like it's been cast out of bronze. It has a locking bolt to keep the umbrella's pole in place in the 57 mm tube. Two adapters are included, making it suitable for parasol poles with diameters of 38 and 48 mm. This durable umbrella stand will make a decorative as well as practical addition to your outdoor living space thanks to its striking design!