1. Interchangeable Design: This circular needle set with interchangeable design, which is convenient for sewing and knitting projects in making socks, sweaters, hats. 2. Various sizes: This circular knitting needle set is available in different sizes (3-8mm) and is clearly engraved on the handle of the knitting needle. 3. Practical kit: This circular needle set includes 18 circular needles, 2 extension tools, 2 p-shaped needles, 4 buttons, 4 threads, meeting your basic knitting needs. 4. Ergonomic Handle: These circular knitting needles adopt smoothing handle with ergonomic design, providing comfortable grip, ideal for the elderly and children. 5. Storage bag: This circular knitting needles set also comes with a storage bag. You can offer this set to your mother, grandmother, friend who is new to knitting. Specification: Item Type: Circular Knitting Needles Set Material: Aluminum, Stainless Steel, PU Quantity: One Set Application: Household, Weaving, etc. Scope of application: most people of suitable age Circular needle size: approx. (3.0mm/0.12in, 3.5mm/0.14in, 4.0mm/0.16in, 4.5mm/0.18in, 5.0mm/0.20in , 5.5mm/0.22in, 6.0mm/0.24in, 7.0mm/0.28in, 8.0mm/0.31in) x 2 (manual measurement, a slight error may exist) Cable wire size: approx. 40cm / 15.7in, 60cm / 23.6in, 80cm / 31.5in, 100cm / 39.4in (manual measurement, slight error may exist) Storage Bag Size: Approx. 20.5 x 16.5 cm / 8.1 x 6.5 inch (manual measurement, slight error may exist) Package List: 18 x Circular Knitting Needles, 1 x Post Tool 2 x Extension Tool 2 x P-shaped needle 4 x Button 4 x Thread 1 x PU bag