Beefy 10 Gauge Silicone Wire by World Champions ACER Racing, Super Flexible 1000 Strands of copper wire.  10 Feet total (5 feet black and 5 feet red wire). Super low electrical resistance for a highly efficient connection.  If you need 12 AWG, 14 AWG or 16 AWG wire we also sell those sizes in our eBay store.