Our Umbrella Stem Adapter is required to make our 11' Deluxe Market Umbrella fit securely in our 50 lb. Cast Iron Umbrella Base. It also works with other umbrellas that have 1-7/8" dia. and larger poles and bases that have openings less than 1-7/8" dia.
Umbrella pole stem adapter
Allows larger umbrellas to fit weighted base
Holds umbrellas sturdy within base
Use with our 11' Deluxe Market Umbrella and 50 lb. Cast Iron Umbrella Base