Double Ball System S660 DOUBLE BALL BASS BLACK NYLON TAPE WOUND – LIGHT 60-115 S500L DOUBLE BALL BASS FLAT WOUND – LIGHT 43-104 S300 DOUBLE BALL 5-STRING BASS – 45-128 S100S DOUBLE BALL BASS – STANDARD 45-105 S100L DOUBLE BALL BASS – LIGHT 40-95