1、It is made of high quality aluminum, anti‑rust and durable. 2、With many different size needles, it is essential for knitting sweaters and scarves. 3、Needles are interchangeable, the cable can be extended using connect tools if it is not long enough, it can meet the needs of a variety knitting. 4、Needle tips are durable and lightweight, your hand will not feel any pain even for hours knitting. 5、There is a PU bag in this set, it can storage and protect your needles safely. Features: It is made of high quality aluminum, anti-rust and durable. With many different size needles, it is essential for knitting sweaters and scarves. Needles are interchangeable, the cable can be extended using connect tools if it is not long enough, it can meet the needs of a variety knitting. Needle tips are durable and lightweight, your hand will not feel any pain even for hours knitting. There is a PU bag in this set, it can storage and protect your needles safely. Specification: Material: Aluminum Weight: Approx.325g/ 11.5oz Package: PU bag Needle Size: 3.0mm/ 3.25mm/ 3.5mm/ 3.75mm/4mm/ 4.5mm/5mm/ 5.5mm/6mm/7mm/8mm/9mm/10mm Cable Length: Approx.32cm/ 12.6in  38cm/15in  42.5cm/ 16.7in  55cm/ 21.7in Package List: 13 * Pairs of Aluminum Needles 4 * Round Plastic Threads 4 * Position Buttons 1 * Tool Patch 1 * Mini-spanner 1 * Extended Connection Tool 1 * PU bag Note: Please allow slight measuring deviation due to manual measurement.