Reference weight for size 90 is 15-21 pounds, 100 yards refer to weight 22-27 catties, 110 yards refer to weight 28-34 catties, 120 yards refer to weight 35-43 catties, 130 yards refer to weight 44-50 catties, Reference weight for size 140 is 51-65 pounds, 150 yards reference to weighing 66-79 catties, 160 yards refer to weight 80-100 catties, Reference weight for size 170 is 100-110 catties, Reference weight for size 180 is 110-120 pounds
