Stinger SHW510G Hyper Twisted Speaker Wire 50ft 10-Gauge Matte Gray, Gray Hyper-Twist Design equals increased flexibility and current transfer Advanced PVC Jacket equals super flexibility, and high resistance to heat, oil, and chemicals Ultra flexible for easy installation - Tinned Conductors Pure (OFC) Oxygen Free Copper - High Strand Count Matte Finish equals Killer Looks!