D'Addario Zyex Bass String Set, 3/4 Scale, Medium Tension 3/4 size bass with a playing length of 41 3/4 inches (1060mm) Medium tension Zyex synthetic core produces a rich, warm, gut-like tone Developed primarily to offer outstanding pizzicato attacks and sustain, as well as superb bowing response All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry