What yarn is recommended to use with the 8 mm (L-11) crochet hook?

It is recommended that "Weight 5 - Bulky" yarn weights are used with the 8 mm (L-11) crochet hook size.

What is the metric equivalent of a L-11 crochet hook?

The metric size of 8 mm is the same as the US crochet hook size of L-11.

The US size of L-11 is the same as the metric crochet hook size of 8 mm.

US Name:	L-11
UK Name:	0
Metric Name:	8 mm
Yarn Weight:	This crochet hook size works well when paired with the following yarn weight(s). Bulky Weight #5: Chunky, Craft or Rug

These free crochet patterns were all created using various yarn types and brands, but all use the 8 mm (L-11) sized crochet hook.