680 strands of tinned copper wire are used to make our world famous Superworm 12 Gauge Silicone wire. This is a very flexible wire and can be used for high performance applications. Available in lengths from 10 ft (5ft black and 5ft red 12 AWG super flexible silicone wire) and up. The metric equivalent of the 10 ft wire is 152 cm red wire and 152 cm black wire. Need all red wire or all black wire? No problem, just make that selection from the drop down menu under "Red only" or "Black only".