RS88LD Rotosound Tru Bass 88 string set electric bass black nylon flatwound 65-115 RS88S Rotosound Tru Bass 88 string set electric bass black nylon flatwound 65-115 RS88M Rotosound Tru Bass 88 string set electric bass black nylon flatwound 65-115 RS88EL Rotosound Tru Bass 88 string set electric bass black nylon flatwound 65-115 RS885LD Rotosound Tru Bass 88 string set electric bass 5 black nylon flatwound 65-135