D'Addario classical guitar strings. These have been stored at my parents' house for a long time. Since they are unopened, the condition of the strings has not been confirmed. Please understand that these are vintage items before purchasing. D'Addario Pro-Arte EJ45 are normal tension classical guitar strings, using silver-plated wound and clear nylon. - Brand: D'Addario - Model Name: Pro-Arte EJ45 - String Type: Classical Guitar Strings - Tension: Normal Tension - String Diameter: 0.020, 0.030, 0.040, 0.030, 0.041 - Material: Silver-plated wound, clear nylon - Package Contents: 2 sets Thank you for viewing. Vintage, guitar, guitar accessories, retro, D'Addario, Pro-Arte