[Features] 3-in 1----String winder and cutter for guitar, strings can be changed quickly and easily. Material----Made of high quality ABS and metal material. Black colour. Useful tool----Lightweight, sturdy and durable, essential guitar repair tool for guitarist, it can be stored in the guitar case. Good gift----Cut the string, roll up the line, pull cone, multifunctional guitar maintenance tool. Great gift for guitarists, amateur and professional. Widely application---- It can be used for many stringed instruments like guitars, banjos, mandolins, ukuleles, etc. If you have questions about our products, or are not satisfied after receiving the products, please contact us and we will try our best to help you solve them. [product information] Product Name: Guitar String Changer Colour: Black Material: metal+ABS Packing list (you can get after purchasing one item): Guitar String Changer*1 Please understand: 1. Due to the long shipping time, the item may be damaged during the shipping process, if the item is damaged, please leave us a message through the official website immediately before posting comments, and I will solve the problem for you. 2. Due to manual measurement, the size may have an error of 1-3cm. 3. Colors may vary from monitor to monitor.