The Sun Master 11' series umbrella is feature-packed with the collar tilt mechanism that is the strongest tilting mechanism on the market and the tilt feature is so easy to use, you can tilt the umbrella while remaining in a seated position, just twist the collar which is part of the crank. As opposed to a push-button tilt, where you must reach up and push a button to tilt the canopy. This model also offers fiberglass ribs which respond better than other materials to winds and harsh weather conditions. Double wind vent is standard on 11' canopies.
The pole diameter is 1.5" and the material is 2mm thick aluminum.