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: AluminumWeight: Approx.325g/11.5ozPackage: PU bagNeedle Size: 3.0mm/3.25mm/3.5mm/3.75mm/4mm/4.5mm/5mm/5.5mm/6mm/7mm/8mm/9mm/10mmCable Length: Approx.32cm/12.6in 38cm/15in 42.5cm/16.7in 55cm/21.7inPackage List:13 * Pairs of Aluminum Needles4 * Round Plastic Threads4 * Position Buttons1 * Tool Patch1 * Mini-spanner1 * Extended Connection Tool1 * PU bag Note:Please allow slight measuring deviation due to manual measurement.