Bass Boomers Medium Scale Regular 45-105 Set 3040GHS 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. 1 G 2 D 3 A 4 E 3041 (. 045) 3042 (. 065) 3043 (. 085) 3044 (. 105)