D'Addario K610-34M double bass string set 3/4, mediumD'Addario K610 34M double bass string set 3 4, medium Kaplan double bass strings are aimed at the most discerning orchestral musicians. Kaplan strings offer a rich tonal color palette and superb bowing response in a beautifully balanced set. The set provides clarity and warmth from low to high registers and allows versatility and control throughout the dynamic spectrum. Scaled to fit 3 4 size bass with a playing length of 41 3 4 inches (1060mm),