D'Addario classical guitar strings. These have been stored at my parents' house for a long time. The inner bags are unopened, so the condition of the strings has not been confirmed. The inner bags are sealed, but they may have small holes due to wrinkles. One set is missing the instruction manual with photos. Please understand that this is a vintage item 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: 3 sets Thank you for viewing. Vintage, guitar, guitar accessories, retro, D'Addario, Pro-Arte