Features: There are sizes about each strings, so you will not be confused about installation place. Guitar strings features a good tension, you can use it to for play a clear and pleasant sound. It features a simple and not damage installation, therefore no need to use any special tools. With good performances, so it can be a nice choice for replacing the worn or damaged strings. Stainless steel core mercerized wire wound, you can use it for a long time, not easy to break and worn out. Specifications: Material: Stainless Steel Wire Color: As The Picture Shows Package Weight: approx.30g Diameter: 0.25mm, 0.36mm, 0.58mm, 0.76mm, 0.99mm, 1.19mm (More Size Detail, Please See Photo.) Package Includes: 1 Set of Folk Guitar Strings note: Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!