List of Standard Crochet Hook Sizes
![List of Standard Crochet Hook Sizes](https://knottythreadz.net/wp-content/uploads/2020/08/61SOclbAFEL._SL1024_-1.jpg)
The Craft Yarn Council of America (CYCA), an industry trade association, has collated a table of crochet hook sizes from de facto industrial standards and elicited the cooperation of its member organizations in adopting them to regularize sizing in the United States.…