Item Type: Crochet Hooks Material: Aluminum Specifications: 9PCS Model: Approx. 2.0mm / 0.08in, Approx. 2.5mm / 0.10in, Approx. 3.0mm / 0.12in, Approx. 3.5mm / 0.14in, Approx. 4.0mm / 0.16in, Approx. 4.5mm / 0.18in , Approx. 5.0mm / 0.20in, Approx. 5.5mm / 0.22in, Approx. 6.0mm / 0.24in Product Use: Suitable for Weaving Anywhere 1、Ergonomic: The Crochet hook handle uses a warm ergonomic crochet set that allows you to enjoy your crochet projects. 2、Numbers and Letters: Each hook is marked with numbers and letters for easy identification of the process, so you never get confused. 3、Meticulously Crafted: The crochet handle is made of comfortable material, carefully crafted and sturdy to avoid the contact between the palm and the crochet needle during the knitting process, while giving you a good grip. 4、Multiple Sizes: Our crochet sets offer hooks in a variety of sizes that are sure to fit your knitting requirements. 5、Perfect Gift: Our crochet kits are not only for moms and grandmothers, but also for boys and girls beginners. It can relieve stress and help young people stay away from the radiation of games and electronic products.