These tapered crochet hooks in US sizes J, K, and N (5.75, 6.5, 10mm) are able to accommodate a wide array of projects. The sleek design allows yarn to glide easily and prevents splitting of yarn. Ideal for projects using worsted weight yarn. 100% aluminum construction makes these needles lightweight and durable. Boye has been a trusted brand since 1906 and is now recognized as a premier supplier of crochet hooks, knitting needles, looms and other accessories for those who love to work with yarn.