CBN-3T, normal tension, is a classical half set made up of D'Addario's premier Carbon treble strings, known for their bright, modern tone and superior intonation. Designed to the exacting specifications of our Pro-Arté nylon trebles, our fluorocarbon strings deliver unmatched superior intonation, a responsive attack and modern projecting tone. Each half set contains 3 treble strings in a convenient resealable pouch.