SUPERWORM Super Flexible Ultra Efficient Copper Wire by ACER Racing (12 AWG 20ft) 12 Gauge Super Flexible Highly Efficient Wire by ACER Racing 10ft black and 10ft red for a total of 20 ft 680 strands of copper wire, 90 AMP rated, 4mm outer diameter of silicone jacket ACER Racing is the creator and only authorized seller of SUPERWORM