It can works great with yarn / thread; Great who want to learn Tunisian crochet Coming with 11 different size, it can meet your basic knitting needs Length: Approx 27cm / 10.6 "; Great addition for your crochet project aluminum, the body of the hooks is all fine and smooth, without seams or chips, making it comfortable and easy to use Multicolor hooks makes it very easy to quickly find your favourite by its colour