Keeper Super Heavy Duty Bungee Cords are ideal equipment for all situations that demand extra strength. Fabricated from cord that contains 10 percent more rubber than conventional cords, Heavy Duty Bungee Cords deliver up to 2 times the tension of normal bungees. Dichromate hooks are also three times more sturdy than the standard, resisting corrosion for long-lasting toughness. Keeper industrial strength premium bungee cords are the perfect.. See full description for further details