KnitPro Basix Birch Single Pointed Knitting Needles Birch 30cm 3.50mm / 11.8in US4

3 mm / US 2½

3.5 mm / US 4

3.25 mm / US3

3.75 mm / US 5

4 mm - US 6

4.5 mm / US 7

5 mm / US 8

5.5 mm / US 9

6 mm - US 10

6.5 mm / US 10½

7 mm / US 10¾

8 mm / US 11

9 mm / US 13

10 mm / US 15

12 mm / US 17

15 mm / US 19