Introducing the Costway 42 LBS Weighted 25 Inch Square Patio Umbrella Base, expertly crafted from durable powder-coated steel to ensure longevity and resistance against weather elements. This rustproof umbrella base is designed to securely hold patio umbrellas with poles of 1.6 to 1.9 inches in diameter. Featuring an adjustable tightening knob for a snug fit and bottom anti-slip footpads for stability on uneven ground, this sleek all-black base integrates seamlessly into your outdoor decor. Easy to assemble in minutes, it's perfect for use in patios, poolside areas, backyards, balconies, and commercial spaces. The flat design allows for convenient placement under patio tables, making it a versatile addition to your outdoor furniture.