SIZE: 8ss=2.30-2.40mm/0.09 inches
Size: 10ss=2.80-2.90mm/0.11in.
SIZE: 12ss=3.00-3.20mm/0.12 inches
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.