SIZE:5ss=1.70-1.80mm/0.06 inches
SIZE: 6ss = 1.90-2.10mm / 0.07 inches
SIZE: 7ss=2.10-2.20mm/0.08inches
SIZE: 08ss 2.30-2.40mm=0.09 inches
SIZE: 10ss=2.80-2.90mm/0.11 inches
SIZE: 12ss=3.00-3.20mm/0.12 in.