6 kg, diam. 110mm, IAAF certificate no. I-02-0264, brass, turned on whole surface, filled with special mixture of lead and fine shot, polished and covered with petroleum jelly, comes with Polanik shot put bag
6 kg, diam. 105mm, stainless steel, turned on whole surface, filled with special mixture of lead and fine shot, polished and covered with petroleum jelly, comes with Polanik shot put bag