Description: 【Complete set】: This guitar strings with winder set includes 6 replacement strings and 1 string changing tool, making guitar maintenance easy 【Quality material】: The strings in these guitar tools are made of quality nylon, and the string changers are made of abs and stainless steel, making them sturdy and suitable for repeated use over a long period 【Multifunctional design】: These guitar repair tools feature a multifunctional design, functioning as a string winder, string cutter, and string picker for added convenience. Their ergonomic design also makes maintenance easier 【Nice replacement】: This instrument accessories set includes six replacement strings, numbered 1, 2, 3, 4, 5, and 6, for easy replacement and installation 【Ideal gift】: This guitar strings replacement makes an ideal and practical accessory gift for enthusiasts, beginners, or professionals Specification: Material: ABS, Stainless Steel, and Nylon Size Chart: Winder Size: 11.5cmx5cmx2.2cm/4.53inchx1.97inchx0.87inch E-1st: Diameter: 0.71mm/0.03inch B-2nd: 0.81mm/0.03inch G-3rd: 1.02mm/0.04inch D-4th: 0.76mm/0.03inch A-5th: 0.89mm/0.04inch E-6th: 1.09mm/0.04inch Package Includes: 6 Guitar Strings, 1 Winder Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.