Our wire is constructed from the highest quality materials to ensure you get the best connection every time, with the least amount of resistance possible. This heavy-duty 8 gauge wire is made from over 1,600 strands of pure copper, each with a diameter of .08mm. Pre-tinned at both ends, you'll find it easy to solder on your own connectors. SpecificationsWire Type: 8 AWG SiliconeLength: 36"Outside Diameter: 6.8mm Current Rating: 200A