Spherical iron shot put made of machined steel. It has a threaded cap that allows small steel pellets to be introduced inside, in order to adjust the weights to the applicable regulations.
Both the iron shot put and the cap are powder coated.
The 4 Kg (AL302) and 7.26 Kg (AL305) iron shot put have a Certificate issued by the IAAF (I-99-0174 and I-99-0175, respectively).