D'Addario Helicore Pizzicato Bass String Set, 3/4 Scale, Heavy Tension 3/4 size bass with a playing length of 41 3/4 inches (1060mm) Heavy tension Stranded steel core provides optimum playability and produces a clear, warm tone Damping is reduced to create maximum sustain and "growl" for pizzicato All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry