Beefy 8 Gauge Silicone Wire by World Champions ACER Racing, Super Flexible 1650 Strands of copper wire.  20 Feet total (10 feet black and 10 feet red wire). Super low electrical resistance for a highly efficient connection.  If you need 10, 12 AWG, 14 AWG, 16 AWG or 18 AWG wire we also sell those sizes in our eBay store.