The Rotosound Swing Bass RS66S Short Scale Stainless Steel Bass Guitar Strings were the early pioneers of bass tone in rock music bringing deep and punch tones into the limelight whilst also delivering bright and defined highs. Ranging from 40 to 90 gauges the Rotosound Swing Bass RS66S Short Scale Stainless Steel Bass Strings are a first choice for many professional musicians such as Noel Redding John Paul Jones and Geddy Lee.