Yarn Weight and Category Names	# 1 SUPER FINE	# 2 FINE	# 3 LIGHT	# 4 MEDIUM	# 5 BULKY	# 6 SUPER BULKY
Types of Yarns in Category	Sock, Fingering, Baby	Sport, Baby	DK, Light worsted	Worsted, Afghan, Aran	Chunky, Craft, Rug	Bulky, Roving
Crochet Gauge ranges in single crochet to 4 inches	21 - 32 sts	16 - 20 sts	12 - 17 sts	11 - 14 sts	8 - 11 sts	5 - 9 sts
Recommended hook in metric size range	2.25 - 3.5mm	3.5 - 4.5mm	4.5 - 5.5mm	5.5 - 6.5mm	6.5 - 9mm	9mm and larger
Recommended hook in U.S. size range	B-1 to E-4	E-4 to 7	7 to I-9	I-9 to K-10 1/2	K-10 1/2 to M-13	M-13 and larger