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, Bass Boomers have a distinctive low-mid punch that sits well in any musical genre. This IS your power string. • MFSKU 3035 • UPC 737681004477