20 FEET HEAVY DUTY JUMPER CABLES: 2 Gauge, 20 FT booster battery jumper cables, can withstand up to 800 Amp of instantaneous current. Ideal for 7.0 L gas and 5.0 L diesel engine. Suitable for 12V & 24V vehicles including trucks, SUVs, full-size cars, mid-size cars, and compact cars.