Plug-in style booster/jumper cables, 20' length with a 400 amp rating. Hook up jumper cables in minutes. These cables have one side permanently connected to your battery with the plug extending through the front of your truck. When roadside assistance calls, just plug in and connect the jaws to the other vehicles battery. Connections are fast, easy and professional. Fine stranded, tangle-free, copper wire. Cables stay flexible in the coldest weather.