Weight
0.25KG/0.5KG/1.25KG/2.5KG/5KG/10KG/15KG/20KG/25KG
Thickness
4.5mm/6mm/10mm/12mm/18.4mm/18.8mm/18.8mm/19.2mm/23.1mm
Weight Tolerance
+/- 10 Grams
Collar Opening
50.4+-0.1mm
Construction
cast Iron, chromed solid steel
Center Metal
45# steel with chromed plate