High-quality classical guitar strings, the Leo Brouwer model, medium-high tension. This is a commemorative work for the 80th anniversary of Leo Brouwer's birth. Tension 400 is rare. They are widely used in competitions both domestically and internationally. Please try them once. - Brand: Knobloch - Model Name: Leo Brouwer - Tension: Medium-High - Size: 400LB 34.0 - Set Contents: 1 set Thank you for viewing.