Patio Umbrella Steel Anchor with 4-spike design can stably stick to the grass lawn or beach, keeping your umbrella securely grounded Features a detachable pole and foldable spikes for space-saving storage Made from rustproof galvanized steel for enhanced hardness, the sand anchor promises long-lasting performance and stability Suitable for poles with a diameter less than 1 7/16', such as garden umbrellas, flagpoles, string light poles, bird feeding poles Ideal for garden party, beach picnic, camping