Ghs 5 String Bass Boomers 45-130 Med-Light Nickel Roundwound Bass Strings 5M-DYBGhs 5 String Bass Boomers Nickel Roundwound Bass Strings Gauge Range: 045 130 (medium) Material: Nickel Plated Steel Roundwound Instrument: 5 String Electric Bass String Gauges: . 045 . 065 . 085 . 105 . 130 Product Code: 5M DYB GHS Bass Boomers are one of the most popular bass strings in the world. Utilizing a nickel plated steel wrap wire (with a special combination of stainless steel and nickel plate on the low E and B strings) over a hex core,