Mongoose Wireless Volleyball System is perfect for portable sand or grass volleyball fields. Features a patented two stake in-ground plate system and sturdy pole padding. When taking the wireless system to the beach, simply attach the included sand wedges onto base plate to create an optimum play experience. The net easily tensions to provide a competition quality play environment. Optional Indoor adapter plates also available. Has 1 year warranty Item Includes: 2 Adjustable High-Strength Anodized Aluminum Post, 2 Steel Ground Plates, 2 Sand Wedge Adapters for Optimal Beach Play, 2 Blue Protective Pole Pads, Quality Regulation Size Net, Court Boundary Line Marker, Blue Nylon Carrying Bag & Installation Instructions. Installation requires a 6 lb. hammer which is not included.