1 large heavy-duty cast iron umbrella base. Made from durable rust-resistant cast iron. Includes one sturdy umbrella base. One pole thumb screw secures umbrella in base 17" diameter x 12" h, weighs 24 lbs.This 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 enjoyment. This universal base will be a wonderful patio accent and provides a great addition to many different styles of outdoor decor.