Features: It is made of high quality aluminum, rust-proof and durable. With many different sized needles, it is essential for knitting sweaters and scarves. The needles are interchangeable, the cable can be extended using connecting tools if it is not long enough, it can meet the needs of a variety of knitting. The needle tips are durable and lightweight, your hand will not feel any pain even for hours of knitting. There is a PU bag in this set, it can safely store and protect your needles. Specifications: Material: Aluminum Weight: About 325g/11.5oz Packing: PU bag Needle size: 2.75mm/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/16.7 inch 55cm/21.7inch Package List: 13 * Pairs of Aluminum Needles 4 * Round Plastic Threads 4 * Position Buttons 1 * Correction Tool 1 * Mini Wrench 1 * Extended Connection Tool 1 * Bag PU Note: Please allow slight measuring deviation due to manual measurement.