Nylon high-tension classical guitar strings, EDB 34.5 model. Knobloch B1. Although they are high-tension, the actual tension doesn't change much. Please give them a try. The total tension of the low E, A, and D strings is 0.23kg, and the high strings are slightly thicker in diameter. - Brand: KNOBLOCH - Model Name: EDB 34.5 - Type: Classical Guitar Strings - Tension: High Tension - Material: Nylon - Set Contents: 2 sets Thank you for viewing.