Designed, manufactured and approved in accordance with the regulations of World Athletics (WA Certificate: E-99-0187).
It is made up of six equal modules, manufactured of a 15x20 mm section steel plate and curved to achieve an internal diameter of 2,500 mm. Each module is protected from corrosion by a zinc-plated treatment. Subsequently, the modules are powder white paint coated.
Expansive metallic anchors are supplied for its fixing to the ground (two for each module). The holes in the modules are countersunk so that the screw heads do not stick out.