3 Sets of 6pcs Colorful 1st-6th String Steel Strings Acoustic Guitar Strings Set Product Feature： High Quality: The string is made of high quality steel rustproof coating. With unique silver shiny color, can serve for a long time and maintain high quality sound. Daily Practice: Package include 3 set of 6pcs guitar strings, enough for daily practice. You do not need to cost time and money when you need to replace the string. Practical: The string fits for kinds of guitars, with smooth edge, long service life and small wear. String Dimensions: 1: 0.2 mm/ 0.007 inch; 2: 0.3 mm/ 0.01 inch; 3: 0.6 mm/ 0.02 inch; 4: 0.7 mm/ 0.027 inch; 5: 1 mm/ 0.039 inch; 6: 1.2 mm/ 0.047 inch. Music Art: Suitable for professional guitar artiest and also for beginners, create great music with the replacement string. Product Specification： Type：Acoustic Guitar Strings Material：Copper Color：Red, Yellow, Multicolor Quantity：3 Set (one size 6pcs) String Diameters：1 Package Included： 3 x Set of Guitar Strings