D'Addario Pro-Arte Nylon Core EJ45-3D is a set of three sets of normal tension, silver-plated wound, clear nylon strings. These are D'Addario's classic guitar strings. They are a standard, reliable string that works well with any guitar, so we recommend them. - Brand: D'Addario - Model Name: Pro-Arte Nylon Core EJ45-3D - Number of Sets: 3 sets - String Type: Silver-plated wound, clear nylon - Tension: Normal tension - String Gauge: E: 0.028, A: 0.032, D: 0.040, G: 0.029, B: 0.034, E: 0.043 Brand new, unused. Of course, it's a genuine product. Thank you for looking.