This top post battery cable that comes from Uriah Products is coated with a durable black PVC insulation. It's a heavy-duty 4 AWG cable that accommodates 3/8" studs, and there's 43" between centers. It features a 100% copper conductor and a full gauge stranded copper core to ensure good connectivity, and it also includes a 12 AWG auxiliary cable. | Uriah 43" Black Top Post Battery Cable 4 GA with Auxillary Cable