Made of carbon steel, galvanized surface, strong oxidation resistance, not easy to rust, strong, used for a long time.
Suitable for (0-1.5inch) parasol poles of different diameters. 1.5 inch diameter tube with thumbscrew to securely hold the umbrella and allows you to adjust the height.
Large clamp opening can clip anywhere you want (0-1.96 inch), Attach to bleachers, benches, tailgates, poles, boats, fences and more.
The clamp-on design allows it to be easily installed or taken down without the need for tools.
Don't take up space, hold umbrella safely even on windy days.