Various types of guitar strings. These may include strings for acoustic guitars, electric guitars, and classical guitars. Acoustic guitar strings tend to be thicker and harder than electric guitar strings. Materials used include copper alloys and steel cores. Various sets with different gauges (thicknesses) and coatings are included. A set of guitar strings with diverse materials and colors. I don't know the details, but the items in the bags are new and unused. Some include strings from the 1st to 6th string. All items shown in the photos are included. New, unused, and unopened. I am also listing other items, so please comment if you want a set. - Type: Guitar strings - Color: Multicolor - Material: Steel, Nylon - Package: Individually packaged - Application: For guitars Thank you for viewing.