35 Lb Resin Table Umbrella Base with 10 inch Stem is made to compliment your y-leg resin cafe/dining sets. The Long, reinforced stem with two thumb screws is specifically designed for any umbrella with a 1-1/2 inch pole. Will not rust or mar your deck. Molded anchor bolt holes to secure base to deck for extra stability. U.V. resistant and easy to clean with soap and water. Fill this resin base to add the weight you need to anchor the set for safety and comfort.