BASS STRING SET D'Addario ProSteels Regular Light 5 string bass set, Super Bright Round Wound, long scale (45 - 65 - 80 - 100 - 130). D'Addario ProSteel are our brightest and most magnetic strings. A special steel alloy offers us great harmonic richness and brilliance together with a depth of sound, this set of characteristics work together to obtain the much-coveted "piano tone". Perfect for both finger playing and plectrum playing. ProSteel strings will give you the punch you need in the mix.