Dr strings black beautiesâ„¢ - coloured bass strings: light 40-100

DR Strings BLACK BEAUTIES Bass Guitar Strings (BKB-40)

DR Strings Black Beauties-Black Coated Bass Guitar Strings 45-105 (BKB-45)

DR Strings HI-DEF NEON-White Silver Nickel Plated 4 Bass Guitar Strings, 45-105, Round Core (NWB-45)