Felipe Conde Concert Hard Tension Carbon Classical Guitar Strings
New Formula High-quality silver-plating with anti-corrosion treatment. Carbon 2nd and 3rd string with a nylon 1st string.
| Note | Gauge (in.) | Material |
| E/1st | 0.0295 | nylon |
| B/2nd | 0.0259 | carbon |
| G/3rd | 0.0334 | carbon |
| D/4th | 0.0322 | Silverplated copper wound |
| A/5th | 0.035 | Silverplated copper wound |
| E/6th | 0.0444 | Silverplated copper wound |