Size: 10ss=2.80-2.90mm/0.11in.
SIZE: 16ss=3.80-4.00mm/0.15-0.16in.
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.