![RotoSound Stainless Steel Roundwound Bass Guitar Strings long scale 45-65-80-105-130 RS665LD](http://bassstringsonly.com/cdn/shop/products/THE-FRED_{width}x.gif?v=1607283238)
This is the roundwound string that James How and John Entwistle perfected into what was to become the industry standard.
The bright, punchy, high-energy sound of Swing Bass 66 strings is a major part of early rock music history and brought the bass player from the back line to the front of the stage.