10 AWG primary automotive wire. Made with a copper core composed of 19 strands of 21 gauge pure copper. For general purpose wiring of automobiles, boats, RV's, and other general purpose low voltage electrical circuits. Available in red, white, and Black. Temperature rated to 176°F (80°C). PVC Insulation resists abrasion, grease, oil, and acids. RoHS compliant and meets SAE J1128. American Made.