0 - Lace (Light Fingering,10-count crochet thread)
1 - Super Fine (Sock, Fingering, Baby)
2 - Fine (Sport, Baby)
3 - Light (DK, Light Worsted)
4 - Medium (Worsted, Afghan, Aran)
5 - Bulky (Chunky, Craft, Rug)
6 - Super Bulky (Super Bulky, Roving)
7 - Jumbo (Jumbo, Roving)
Curly Girl Fibers