J-Hook Cantilever Umbrella Base brackets these brackets are custom designed

these brackets are custom designed to safely secure your umbrella to your unique deck or dock

Designed to hold cantilever umbrellas with square bolt pattern hubs or bases (bolt hole distances 4 1/2-inch or smaller)

contact us prior to ordering

NOTE: Two interchangeable Fastening Brackets are required with each Cantilever Umbrella Base

J-Hook Cantilever Umbrella Base brackets these brackets are custom designedNOTE: Two interchangeable Fastening Brackets are required with each Cantilever Umbrella Base. These brackets are custom designed to safely secure your umbrella to your unique dock or deck. If your deck surface boards are wider than 5 1 2 inchs or your supportive joists lay on a diagonal under the boards, contact us prior to ordering. See the Fastening Bracket Collection here. REVOLUTIONARY, CANTILEVER UMBRELLA SAVING TECHNOLOGY. Will never blow over.