gnognauq 9 pieces soft handle crochet hooks set comfortable and easy to hold ergonomic crochet hooks with case, size from 2.0mm to 6.0mm gnognauq <p> <b>usa standard sizes chart</b><br> 2.0mm = b = 1<br> 2.5mm = c = 2<br> 3.0mm = d = 3<br> 3.5 mm = e = 4<br> 4 mm = g = 6<br> 4.5 mm = 7<br> 5 mm = h = 8<br> 5.5 mm = i = 9<br> 6 mm = j = 10</p>