Pilot Rock Patio - Removable Umbrella Holders for Paios, Tables, Docs, Decks, and Boats - Made in USA

Revolutionary twist-lock mechanism eliminates the need to bend over to loosen or tighten hardware. Just push and twist to lock in place! Commercial grade - Built to withstand public use and abuse Easy install through picnic table, deck, dock, or trailer top Durable powder coat finish Fits 1-5/16 to 1-1/2" umbrella or flag poles