• Heavy duty for full size trucks, vans and SUVs
• Red/black PVC-coated parrot 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
• 100% Copper Cable
• Operating temperature range: -13 to 158 degrees F (-25 to 75 degrees C)