Market Umbrella Base - 50lb - Treasure Garden Classic Cast Iron Patio Umbrella Stand - Black, Bronze, Champagne, Pewter & White (Pewter) 19.3 inch Diameter Weight (lbs) 50 Cast Iron with Dual-Purpose Stem that allows for free standing or table applications. Total Height 20" Neck Diameter 1.625 in. (For 1.5 in Pole)