Wide Application:4 gauge positive and negative cables are ideal for car automotive, solar, marine, RV, motorcycle, golf cart, lawn/garden equipment or power inverter batteries. More Convenience:According to your needs to cut,we offer a variety of gauges for audio or electrical needs as well as various lengths and colors for your convenience. Package Includes: 4 Gauge 4AWG Wire (50 Feet Black + 50Feet Red )+20pcs Lugs Terminal Connectors+20PCS 3:1 Heat Shrink Tubing. COPPER CLAD ALUMINUM (CCA) :Copper coated aluminum wires the most economical choice for choosing a power supply or ground wire,uncompromised quality at an economical price. 50 Feet Red & 50 Feet Black 4 Gauge Power/Ground Cable Kits.