Complies with DLV (German Athletics Association) regulations. It has two adjustable vents. Can be adjusted from 5 to 5.5 m. Aluminium posts, 80x80x3 mm. Aluminium surface. Comes with connecting poles, net suspension hooks and extra strong ground sockets with covers. This cage should be inserted 500 mm deep into the ground. Nets not included. 5-year guarantee!