Savarez Strings for classic guitar Traditional concert 520 - Set (520R)The legendary, rich in tradition Savarez string series Rectified treble strings, traditional bass strings Traditional 520 R normal tension, red card Treble strings plain, bass strings silver plated e1: 0. 7 mm . 028", 6. 9 kg 15. 23 lbs h b2: 0. 82 mm . 032", 5. 4 kg 11. 92 lbs g3: 1. 02 mm . 040", 5. 4 kg 11. 92 lbs d4: 0. 74 mm . 029", 6. 0 kg 13. 33 lbs A5: 0. 85 mm . 034", 6. 3 kg 13. 95 lbs E6: 1. 07 mm . 042", 6. 3 kg 13. 91 lbs Tension set: 36.