Cast iron weight plates 0.5kg; 1.25kg; 2,5KG; 5KG; 10KG; 15KG; 20KG; 25KG; 30KG (equipment)
I got myself 6 discs and all weighed individually. This led to slight variations (about 0.1 to 0.2 kg over / under 10 kg) Well, is bearable for me. The discs are not quite uniform. The surface is slightly wavy, but by the closure of my weight does no