Daystar, Umbrella Wedge, Black, fits most patio umbrella shafts, designed to reduce moving and hold your umbrella in place, PA20255BK, Made in America The Umbrella Wedge works with any table and umbrella combination The Tapered Design keeps the Umbrella properly seated and eliminates any rattles The Umbrella Wedge keeps the umbrella properly centered over the table The Umbrella Wedge installs in seconds and is easily removed for storage Polyurethane construction will last forever The Daystar Umbrella Wedge will accommodate a up to a 1.5 Umbrella pole