Set of Six strings Musical Notes E, B, G, D, A, E -: —– Item # —– Diameter ——— Tension * J4501 – 0.028 inch (0.711 mm) 15.3 lbs (6.94 kg) * J4502 – 0.0322 inch (0.818 mm) 11.6 pounds (5.26 kg) * J4503 – 0.0403 inch (1.024 mm) 12.1 pounds (5.49 kg) * J4504 – 0.029 inch (0.74 mm) 15.6 pounds (7.08 kg) * J4505 – 0.035 inch (0.89 mm) 15.0 pounds (6.80 kg) * J4506 – 0.043 inch (1.09 mm) 14.0 pounds (6.35 kg).