Among guitars, the thinner string is the easiest to break. It is used to replace . The thickness of is 0.71mm. Fine workmanship and perfect style. Easy to install and durable in use. High Wear-resistant and excellent durability. Band and high quality. Name:100 pieces of classical guitar strings Weight:about 400 grams Colour:Black Material:nylon Size:10x10x0.6cm Package Contents: 100 * Strings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.