GHS Strings M0345X Nickel Plated Bass Guitar Strings, Medium GHS Strings M3045X 4-String Bass Boomers, Nickel-Plated Electric Bass Strings, Long Scale Plus, Medium (.045-.105) Round wound Nickel-Plated Steel on a Hex Core Long Scale Plus, 38&quot; Winding Medium Gauge: 045-065-085-105 GHS Fresh Pack Packaging