• Heavy duty for full size trucks, vans and SUVs
• Red/black PVC-coated insulated clamps for easy identification
• Tangle-free rubber coated cables
• Heavy duty copper jaw clamps
• 4 Gauge, 20 foot, 500 AMP/600 AMP peak
• All weather use
• Operating temperature range: -13 to 158 degrees F (-25 to 70 degrees C)
(California Prop 65)