Dont buy this stuff either:
http://www.knukonceptz.com/productDe...ID=KAR16SS-100
Its a REAL PITA to use. You will hate it by the time your done wiring whatever.
Its two wires twisted up and cast in a clear sheathing... Just take 4 Ga, remove the copper wire and put two twisted wires with their own sheathing inside and thats what that wire is... Its hard to strip/use.