12 different size interchangeable crochet hook tip: 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 5.5mm, 6.0mm, 6.5mm, 7.0mm, 8.0mm, 9.0mm Different size and sufficient quantity to meet your knitting and crafting need Whether participating in knitting classes or showcasing at craft exhibition, these crochet hook set enhances your creativity and craftsmanship Suitable for adult, beginner and knitting crochet enthusiasts who seeks ergonomic knitting tool for intricate lacework or crochet yarns project These ergonomic grip crochet hook aluminum knitting tool caters to various skill levels, ensuring comfortable and efficient knitting and crafting the versatility and durability with our interchangeable crochet hook set, featuring 12 detachable interchangeable aluminum tip and ergonomic handle Widely used for lace project, knitting sweater, scarf, socks, bag, hat, shawls, blankets weaving, crochet yarns project Warmful holiday present for your mother, family or friend