This item includes the telescoping center post from the Ultimate Wondershade™ from Maranda Enterprises™, LLC. The center post inserts into the base, allowing the base to be adjustable in height via the quick release cam handle. At the bottom end of the center post is a permanently affixed sand screw. Near the top of the center post is a hole through which the twist handle can be inserted to drive the post into the sand for beach use. At the very top of the center post is a quick release cam handle which allows the umbrella top to be adjusted in height.