Small 2.75 - 5.0 mm
The sizes are only for Mini TWIST Stainless Steel needles (2.75 - 5.0 mm)
If you want to use a larger needle you have to buy an adapter. Dem kan du finde lige her.
Please notice that a 20 cm long wire needs a 10 cm tip to be able to bend so much that you can actually knit with it.