The 11 Ft. Aluminum Market umbrella offers all of the great features of a traditional market umbrella coupled with an aluminum frame allowing for a hand crank to raise and lower the umbrella and the added benefit of a a crank tilt mechanism making this market umbrella even more versatile. With design details such as a finial that is both durable and fashionable, hubs that are made from high-impact PVC for durability, and a simple to use crank tilt this umbrella will be a stand out in any yard. Base Not Included.