Features： 1、Copper Clad Aluminum: Made with copper clad aluminum, our 4ga AWG wire offers excellent conductivity and power transmission at a fraction of the cost of full copper wires. 2、Versatility: 4gauge wire set is ideal for automotive amplifiers or subwoofers, or as a ground wire for wire installation. Used in many different applications such as indoor lighting, car radios, automobiles, lighting, car speakers, power cords, 12v power inverters, ground wires or welded cables. 3、Soft Touch Sheath: The wire's soft touch sheath ensures easy handling, making it a preferred choice for construction sites, car garages and Marine operationss The sheath is flexible enough to fit into sharp corners under the hood of a car. 4、Color Coded Wires: For easy installation, it features simple color coded wires. These avoid polarity errors that could damage your sound equipment, ensuring a safe installation process. 5、Length: With a length of 25ft and a cross section diameter of 0.2043in, it provides sufficient length for your needs without compromising on power delivery. Specification： Item Type: 4ga AWG Wire Material:CCA Length: 25ft Cross Sectional Diameter: 0.2043in Appearance: Semi Transparent Application: Car wire Power/Ground battery wire car sound?speaker RV trailer Package List： 1 x 4ga AWG Wire