Features 1、ALUMINA MATERIAL: This knitting tool set is made of excellent colored alumina material, which not only has a fashionable and colorful appearance, but also has excellent durability and erosion resistance, ensuring long term use still look as new, providing stable support for your knitting creation 2、DETACHABLE DESIGN: This set of crochet hooks is specially designed with a detachable structure, so that you can freely combine different lengths of crochet according to the needs of the knitting project, easily cope with a variety of complex knitting techniques and requirements, and improve the flexibility and efficiency of knitting 3、A VARIETY OF SIZES: The set contain 12 different sizes of crochet, both coarse crochet for large projects such as carpets, fine crochet for fine knitting, as well as the unique Tunisian crochet to meet your diverse knitting needs, whether home decor or fashion accessories can be easily pulled off 4、COMFORTABLE PROTECTING: The handle part of the crochet has been carefully designed to meet the ergonomic principle and feel comfortable to hold, even if you weave for a long time, can effectively reduce hand fatigue and protect your hands from injury 5、PORTABLE STORAGE PU BAG: The PU material storage bag included with the set not only looks stylish, but also has a reasonable interior design that easily hold all crochets and protect them from dust and damage. Whether used at home or carried on the go, you can keep your knitting tools organized and start a new creation Specification Item Type: Interchangeable Knitting Needle Set Product Specifications: 1 set Material: Aluminum, stainless steel, PU Application: Household, weaving, etc. Scope of Application: Most people of appropriate age Circular Needle Size: Approx. 3mm / 0.12in, 3.5mm / 0.14in, 4mm / 0.16in, 4.5mm / 0.18in, 5mm / 0.2in, 5.5mm / 0.22in, 6mm / 0.24in, 6.5mm / 0.26in, 7mm / 0.28in, 8mm / 0.31in, 9mm / 0.35in, 10mm / 0.39in Cable Size: Approx. 40cm / 15.7in, 60cm / 23.6in, 80cm / 31.5in, 100cm / 39.4in Package List 12 x Circular Needles 1 x Tool Sticker 2 x Adapters 2 x P Type Needles 4 x Buttons 4 x Cables 1 x Storage Bag