Galtech's Flat Profile 11' Round Aluminum Commercial Replacement Frame features a contemporary state of the art design that will enhance any commercial setting. This umbrella features a threaded pole coupling with a 1.75" diameter pole, providing excellent stability even in windy conditions. The double thickness aluminum walls and ribs further enhance the umbrella's durability, ensuring it can withstand the elements and heavy usage. The quick release ribs utilize a stainless-steel bracket to mount ribs onto the hub, making future rib replacements a breeze. The manual four pulley lift operation allows for easy opening and closing of the umbrella, making it a simple task for staff to manage. With a flat profile, this umbrella is a sleek addition to any commercial space, without taking up too much room. The 11' round canopy provides approximately 95 square feet of shade coverage, perfect for restaurants, cafes, hotels, and other businesses that require reliable and functional outdoor umbrellas. Ideal shade coverage for up to 72" tables. Canopy and base not included. Galtech recommends a 75 lb. minimum base for all free standing application. A 40 lb. base is sufficient for table mounted umbrellas.