Item Type: Interchangeable Circular Knitting Needles Set Material: Ebony, PU, Stainless Steel Product Specification: 1 Set Product Use: Household Scope of Application: Most Scenes Circular Needle Size: 2x(Approx. 3mm / 0.12in, 3.25mm / 0.13in, 3.5mm / 0.14in, 3.75mm / 0.15in, 4mm / 0.16in, 4.5mm / 0.18in, 5mm / 0.2in, 5.5mm / 0.22in, 6mm / 0.24in, 6.5 mm / 0.26in) Adaptor Length: Approx. 40cm / 15.75in, 60cm / 23.62in, 80cm / 31.5in, 100cm / 39.37in Storage Bag Size: Approx. 20.5 x 16.5cm / 8.1 x 6.5in Package List 1 x Storage Bag 20 x Circular Knitting Needles 4 x Button 1 x Tool Sticker 4 x Adapters 2 x Link Rod 2 x P Shaped Wrench 1Multiple Sizes: Knitting needles are available in different sizes and are clearly engraved on the surfaces of the knitting needle so you can easily distinguish their size. 2Interchangeable Design: The knitting needle cables are designed to be interchangeable, the needles can be replaced for easy sewing and knitting use. 3Application: Knitting needles set is the complete tool set to meet your various needs and can help you complete more projects, blankets, towels, hats, etc. 4Easy Installation: Simply tighten the key with metal to keep the needle end firmly attached to the cable, the end hats include screws on the cable, allowing you to knit securely when your needles are needed anywhere. 5PU Bag: A flexible and beautiful PU bag case that neatly stores all the included needles and accessories for easy storage.