Gardenised Outdoor Weather Resistant Balcony Clamp Umbrella Holder - Steel Fence Clamp, 1-1/2-in Jaw Opening, Black, 5.25-in D x 2-in W x 6.5-in H in the Clamps department at Lowes.com
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Patio Umbrella Holder Heavy-Duty Adjustable Metal Sun Umbrella Clamp Stand Patio Space and Shade Bracket for Deck Railing,Outdoor ...