Rockford Fosgate RFK1 1/0 AWG Power Only Install Kit FULL spec cable - meets or exceeds AWG (American Wire Gauge) requirements|100% Pure Crystal-Oxygen Free Copper (PC-OFC)|Includes appropriate wire termination hardware|1/0AWG (53.5mm) 4,704 strands|1 Year|Standard Warranty Compatible with rockford fosgate amplifiers Full AWG american wire gauge spec 100% oxygen free copper Includes munting hardware