Mainstays Outdoor 26lb Steel Round Umbrella Base, Black Finish Includes 1 Umbrella Base with 3 Adapters Designed to be used with a table, not for use with free-standing umbrellas Durable 26 lbs. steel umbrella base with two tightening knobs Rust-resistant powder-coated black finish matches most patio dining sets 3 Adapters included to accommodate most umbrella sizes: 1.3in. Adapter for 5ft, 6 x 7.5ft, and 7.5ft umbrellas 1.5in Adapter for 9ft umbrellas 1.9ft Adapter for 10ft umbrellas For product replacement parts email customer service at support@aeoutdoor.com