Light #3 yarn is also sometimes known as DK and light worsted. This weight of yarn is usually crocheted using the US hook sizes 7 to I-9, which correspond to metric hooks of 4.5 – 5.5 mm. Light #3 yarn is perfect for creating crocheted light clothing, lacy scarves and fall hats.
Free Light Crochet Patterns
These free crochet patterns were all created using various yarn types and brands, but all use the Light (#3) yarn weight.