DESC: Engineered specifically for the Steinbergers and its clones. Gauges 45-65-80-100. They're compatible with all Steinberger and Steinberger-licensed copy basses including those with the Trans Trem system.D'Addario is the world's largest manufacturer of strings for musical instruments. Many top guitarists won't play any other brand. Regardless of your playing style, D'Addario has a set that's right for you.