SAVAREZ 540CRJ Strings Classical guitar strings

red + blue 540CRJ - Set / Classical Guitar Trebles:Clear Nylon (Normal Tension red)Basses: Stabilon core/Silver-plated wound (High Tension blue)Stabilon is a specifically treated nylon-multifilament. This new set of strings combines the NEW CRISTAL Clear nylon trebles and the HT CLASSIC nylon wound basses!NEW CRISTAL trebles feature a beautiful sound of "high-tech" nylon, purity and brightness of crystal, easy response and a perfect tuning. HT CLASSIC basses offer ideal response for speed, a rich and bright timbre, volume and power, big projection, and a more bright and percussive sound with good resistance under fingers.