Lace US 17 - US 3 (.5 - 2.10 mm)
Super Fine US A - C (2 mm - 3 mm)
Fine US D - F (3.25 mm - 3.75 mm)
Light US G - 7 (4 - 4.5 mm)
Medium US H - J (5 - 6 mm)
Bulky US K - L (6.5 - 8 mm)
Super Bulky US MN - PQ (9 - 12.75 mm)
Jumbo US Q - S (15 mm and up)