Heavy Duty Extension Cords: Made with high quality and flexible vinyl covering, this black outdoor 50 ft extension cord is soft and easy to unfold. Ideal for farms, ranches, workshops, and higher wattage appliances such as HVAC, space heater, ac, as well as to powering outdoor lights decoration. Perfect for both indoor and outdoor heavy-duty usage. SJTOW Extension Cord: This 12 gauge extension cord is built to last with water, oil, and corrosion resistant plus flame retardant. The 50 foot extension cord remains tangled-free in any weather.