Medium Yarns -
a worsted weight or aran weight yarnThe Typical Gauge for Super Fine Yarn is about;
Tension 18 sts - 24 rows = 4" (10 cm)
Suggested Knitting Needle 5mm, US - 8
Suggested Crochet Hook 5mm, US - H/8
This is just a guide though. For a specific yarns gauge please see the details listed at the bottom of each yarns individual page.