Sturdy 17" Round Cast Iron Outdoor Patio Umbrella BaseThis attractive Sunnydaze Round Cast Iron Outdoor Patio Umbrella Base ensures that most patio umbrellas will stay safely fixed in place. Each 24 pound base comes with a special adapter that can adjust to hold umbrellas with a 1. 5" diameter, 1. 625" diameter and 2" diameters and can be placed under a patio table with a through table umbrella hole. This elegant umbrella base is made from cast iron material ensuring it lasts for years of use and