Cast Iron Effect Base: Sturdy black cast iron effect base with a smooth, classic finish. This heavy-duty design anchors your garden furniture securely while complementing any outdoor setting.Secure Stability: Provides strong and reliable stability, far more effective than sandbags or makeshift counterweights. The 9kg weight ensures your parasol remains steady in various weather conditions.Adjustable Tightness: Features an adjustable knob to secure parasols of various dimensions (up to 55mm). Includes reducing adapters for 40mm, 50mm, and 55mm parasols for a snug, secure fit.Universal Compatibility: Compatible with most brands of parasols, umbrellas, and sunshades that fit the specified dimensions. Also suitable for securing gazebos, rattan furniture, and other outdoor structures.Easy Assembly: Quick and simple to assemble with clear instructions provided. Easily adjustable to accommodate different sizes and styles of parasols and sunshades.