Sturdy Material The spin cleaning wire nails are made of iron material, which is durable and reliable for long-term use. They are securely embedded deep in the sand, providing a stable base for the parasol and holding up well against strong winds. (The 3.6 cm diameter requires the cover to be removed as a whole) Parasol Stand Ground Dimensions This parasol sand anchor is 35 cm long, with a ground anchor of 20 cm, a support tube of 15 cm, and a nozzle diameter of 3.6 cm. (2.7 cm with lid closed, 3.2 cm with lid open, 3.6 cm with lid removed) Fits all sizes of umbrella poles. Scope of Application This metal umbrella stand is suitable for various locations including sun umbrellas, fishing umbrellas, lawn gardens, and other outdoor shade applications. Ideal for patios, gardens, beaches, cafes, hotels, resorts, villas, and similar outdoor settings. Easy to Use Simply insert into the sand, attach the umbrella to the anchor, and tighten the set screw to keep the umbrella stable. Easy to install and remove on beaches, lawns, yards, and gardens for outdoor events and daily use. Package Contents One parasol steel frame included. Due to the manual welding process, if you have any concerns regarding the weld quality of the product received, please contact the seller through Amazon messaging.