Ernie Ball Stainless Steel Flatwound Electric Bass Strings use flat stainless steel wire wrapped around a hex-shaped tin plated steel core. Provides a smooth feel and mellow sound. 

Features:

• Gauges: .045, .065, .085, .105, Short Scale
• Polished wounds for a smooth, comfortable feel 
• Rich, warm tone for a vintage sound
• Precision wound with stainless steel ribbon