Simple discus cage that can be assembled almost anywhere. Net height 4.5 m, with mobile anchors and independent aluminium posts which allows for fast and safe cage installation. Net is included with tightening system based on steel wires and hooks. Durable net designed to absorb impact energy. Installation is achieved without the need for crane or other lifting machinery. Corrosion proof light aluminium construction. A sensible and efficient solution for multi sport use venues.