The list of top rock players using and endorsing Ernie Ball’s famous Slinky brand of Bass guitar strings is almost endless. Built around a tin plated hex shaped steel core, the standard Slinky’s have a nickel plated steel winding, using specially formulated alloys for long life and maximum vibrancy. The Ernie Ball Stainless Slinky Bass strings share a similar core, the stainless steel winding providing a brighter tone and extra string life.