SIZE: 9ss=2.50-2.60mm/0.10 inches
SIZE: 10ss=2.80-2.90mm/0.11 inches
SIZE: 16ss = 3.80-4.00 mm/0.15-0.16 inches
SIZE: 20ss=4.60-4.80mm/0.18-0.19in.
SIZE:30ss=6.32-6.50mm/0.25-0.26in.
Size:40ss=8.41-8.67mm/0.33-0.34in.
