4 AWG Black High Current Power Cable, Extra FlexibleProduct Description:Sold By The Foot4 Gauge Cable for Running Power to High Power Car Audio Amplifier or AccessoriesA Very Flexible Cable Employing 1672 Strands of 36 Gauge Bare Copper WireFeatures Multi-stranded Rope Lay Construction for Lower Resistance with Optimum Current FlowA Soft PVC Jacket Deliver Excellent FlexibilityTemperature Rating: (105 Degree C / 221 Degree F)Outside Diameter of This Cable is 0.350 InchInsulation Thickness is ~ 0.07 InchJSC Wire and Cable1666-0250 BLK