D'Addario Kaplan Cello String Set, 4/4 Scale, Light TensionThe Kaplan cello set is scaled to fit a 4 4 size instrument with a playing length of 27 1 2 inches (700mm). Light tension strings allow for easier bow response. Kaplan cello strings produce a rich and complex tone. Conceived for the most discerning musicians, they stand up well to extreme bow pressure, allow a diverse tonal palette, and provide a powerful but warm sound. 4 4 size cello with a playing length of 27 1 2 inches (700mm) Light Tension Solid