From The Manufacturer
Shade Cantilever Umbrella, 10 ft., square top, 5-1/2' dia. Side post, anodized aluminum pole, ribs, struts, hubs, and finial, crank lift, 4 positions rotational locking mechanism, two canopy positions, with vent, pocket less canopy attachment, all repairable construction, 540 lb. white metal cover base over (4) granite plates, assembly required, furniture grade fabric canopy, white/taupe