Extend the reach of your block heater with this 3-meter long extension cord. Perfect for those cold winter days when you need to keep your engine warm for easier starting. Compatible with most block heaters, this thick coated cord provides flexibility and convenience for plugging in your vehicle without hassle whether indoor or outdoor. Stay prepared for the winter season with this essential accessory for your car or truck. Block heater cord or block heater extension cord - they are both same.