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), medium tension strings are optimized for a majority of players.- 3/4 size bass with a playing length of 41 3/4 inches (1060mm)- Medium tension- Stranded steel core- Projection, clarity and richness, balanced across the setAll D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry