9' Aluminum Umbrella With Crank Arm, in Fern 9' Aluminum Umbrella With Crank Arm, in Fern Sturdy aluminum pole with crank arm for quick lifting and lowering Features a tilt mechanism so you can adjust the umbrella to block the sun at any angle Weather-resistant canopy is vented; slips on and off the frame for easy cleaning Pole has 1-1/2'' diameter