Set of boxes indicating the distance thrown in discus, hammer and javelin throw events. The set includes eight prisms, to place four on each side of the launch sector, and a set of 56 numbering plates (from 30 to 95, every 5 meters).
Each indicator is made up of a triangular prism-shaped casing made of polyethylene (PE), and two metal plates fixed to the casing by means of four magnets each.
The casing is made by rotational molding in polyethylene, with a textured exterior finishing. This material has protection against ultraviolet UV rays and is unalterable to atmospheric agents.