Savarez 510CR New Cristal Cantiga Normal Tension Classical Guitar Strings Set. Basses Strings: D4 – A5 – E6 A significantly different strings.A new core made of a very different multifilament raw material makes cantiga basses strings an actual innovation.Outstanding specific caracteristics. Easy confortable safe playing.Trebles Strings: E1 – B2 – G3 Improved nylon, plain strings. Clear sound of a transparent NYLON. Traditional usual gauges.