World Champion ACER Racing 16 Gauge Silicone Wire, Super Flexible multi stranded copper wire.  10 Feet total (5 feet (152.4 cm) black and 5 feet (152.4 cm) red wire). Super low electrical resistance for a highly efficient connection.  If you need 18 Gauge, 14 Gauge, 12 Gauge, 10 Gauge or 8 Gauge wire we also sell those sizes in our eBay store.