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. This ergonomic aluminum crochet hook in US size F (3.75mm) is perfect for projects using lightweight yarn. The smooth rounded head and tapered throat allows yarn to glide easily and prevents splitting of fibers.. The comfort grip handle is ideal for creating scarves cowls mittens blankets and more.