First Team introduces the Guardian tennis post system. The Guardian tennis post line is extremely durable and versitile, capable of meeting the needs of any top-notch court. The Guardian post is manufactured fom 3.5" OD heavy duty 1/4" thick high tensile aluminum. Straight and true, the Guardian will stand up to high use courts and allow proper game tension on the net with no bowing on the posts. The internal worm gear net tensioner winch has a clean look and is safe for users. Our exclusive winch is made from heavy duty stainless steel and is far stronger than competitor's common brass winch design. A heavy-duty double top six net with coated top cable is included with each Guardian package. Center strap and anchor also included. Each Guardian package includes ground sleeves for for easy post installation and removal. Guardian TNPS includes standard PVC sleeves, while Guardian TNSO includes our exclusive hinged socets. These sockets are particularly useful on multipourpose courts where a smooth flush surface is a deisred when tennis posts are removed. Guardian TNSO also includes our exclusive Flush Mount strap anchour for flush surface when not in use.