Soundqubed 4 Gauge Power Wire, Green. The best, most affordable, car audio wire out there. This CCA wire is a true AWG 4 power or ground wire with a matte finish for increased flexability. CCA Wire is Copper Clad Aluminum and is provided as a very affordable, yet durable option for your audio setup. With 17' of our 4 gauge CCA wire being able to withstand up to 150 amps of current. 
Outer PVC jacket thickness O.D. = 10.6 mm thick
Inside Diameter Thickness = 6.5 mm thick