Enhance your outdoor space with this durable umbrella base, constructed from powder-coated steel for weather resistance, anti-fade, and rustproof durability. Suitable for umbrella poles of 1.6"" or 1.9"" diameter, it features an adjustable tightening knob for secure placement. The anti-slip footpads ensure stability on uneven ground. Its sleek black design seamlessly blends with any outdoor decor, making it perfect for patios, poolside, backyards, balconies, and commercial spaces.