1、ERGONOMIC HANDLE: Circular knitting needles set has an ergonomic handle that prevents damage when stitching, suitable for people with arthritic hands or carpal tunnel. 2、EASY TO DIFFERENTIATE: Aluminum knitting needles are smoothly and durable, easily go through the knitting needles and come in different sizes, engraved sizes are on the surfaces so you can easily differentiate their sizes without rubbing off. 3、PREVENT LOSS: The red storage bag makes it easy to store and carry your knitting needles and accessories, prevent loss and stay organized at home. 4、ANTI RUST: Knitting needles set is made of aluminum and stainless steel, not easy to rust, not easy to damage, durable and can be used for a long time. 5、EASY TO USE: Flexible cable connecting wires for convenient tips for hassle free knitting, be sure to use the included metal fastening keys to secure the tips to the cables and ensure a tight fit. Item Type: Interchangeable Circular Knitting Needles Set Material: Aluminum, Stainless Steel, PU Product Specification: A Set Product Use: Household, Knitting, Etc. Scope of Application: Most People of Age Circular Needle Size: Approx. (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, 7mm / 0.28in, 8mm / 0.31in)x2 Circular Needle Length: Approx. 11.5cm / 4.5in Cable Size: Approx. 40cm / 15.75in, 60cm / 23.62in, 80cm / 31.5in, 100cm / 39.37in Small Crochet Hook: Approx. 3mm / 0.12in, 4mm / 0.16in, 5mm / 0.2in Small Crochet Hook Length: Approx. 7.5cm / 2.95in Storage Bag Size: Approx. 17 x 19cm / 6.7 x 7.5in 18 x Circular Needle 1 x Tool Sticker 2 x Adaptor 2 x P Needle 4 x Buttons 4 x Cable 1 x Storage Bag 3 x Portable Small Crochet Hook