GOOD PERFORMANCE: CCA(Copper Coated Aluminum) for easy electrical conductivity and power transfer DURABLE CABLES: 4Gauge 25FT 200Amp heavy-duty battery jumper cables. Tangle-free design. PVC insulated cables remain flexible at -40F/-40C to 167F/75C CONSIDERATE DESIGN: Easy to connect with step guide label STRONG CLAMPS: Clamp jaw designed for side and top post. Strong spring make the clamp hold up terminal well and no falling off. MULTIPLE APPLICATIONS: This booster cable is perfect for cars, motorcycles, trucks, vans and SUVs. 5 year warranty!