B-string Electric Bass Round-wound StringsHand made in Japan, B string brand strings are made with the highest quality steel cores, meticulously hand wound in nickel or steel with great precision, resulting in a string that intones beautifully, doesn't slack out of tune, lasts long, and sounds even, crisp, and punchy. The strings are just a smidgen thicker than regular medium gauge, inducing a feeling of substance with greater haptic feedback, for more nuanced playing. The tension is moderate