250', 8 GA Stinger PRO wire is made of true spec-tinned Oxygen-free Copper to ensure maximum current transfer. These conductors feature tighter twisting for increased copper content, delivering optimal flexibility and minimizing resistance. The PVC jacket also provides the highest-quality insulation from the harshest automotive environments. Brand New-You are bidding on 5 foot lengths of Oxygen Free Copper Wire (OFC) For example 5 bids = 25 feet