NS Electric Contemporary Double Bass by D'Addario Bring out all the brilliance and power lurking within your electric upright with these ultra-modern stainless wound solid steel core strings. Strong high harmonics lend clarity to the earth-shaking lower frequencies for a big and remarkably beautiful tone. Light tension precision-ground flatwound design is easy on the fingers and long on expressive potential. The contemporary Double Bass set produces a brighter sound and is low tension. All Strings Are Solid Steel