Weight
0.25kg, 0.5kg, 1.25kg, 2.5kg, 5kg, 10kg, 15kg, 20kg, 25kg
Weight Tolerance
+/-1% of its claimed weight
Thickness
4.5mm, 6mm, 10mm, 12mm, 18.4mm, 18.8mm, 18.8mm, 19.2mm, 23.1mm
Diameter
110mm, 130mm, 160mm, 190mm, 227mm, 325mm, 400mm, 450mm, 450mm