Features:This string set includes 4 strings, matching 4-string bass. It is made of steel, which is very solid and durable. These 4 strings measure about 0.1 inch, 0.08 inch, 0.055 inch, and 0.04 inch in diameter. A great replacement for damaged, dirty or old guitar strings. Specifications: 1 Set of 4 Pcs Steel StringsCompatible with 4 String Bass Guitar String Diameter: About 0.1", 0.08", 0.055", 0.04" (2.5mm, 2mm, 1.4mm, 1mm) Good tools to replace the guitar string, a good gift for guitar beginnersEach string is individually packed in its own bagMaterial: SteelColor: As the picture, please note: Due to the lighting and monitors, the color items may slightly mistake with the pictures. We assure you that we provide the style and the picture is the same. Thank you very much for your understanding! Package Included:1 Set of 4 Bass Strings1 Set of 4 Bass Strings