Color 1/0 AWG - 4/0 AWG. Wire Gauge 1/0 AWG - 4/0 AWG 10 AWG - 4 AWG 4 to 2/0 AWG 4 to 2/0 AWG 4 to 2/0 AWG. Connector Type Quick Connect. Application: The insulated silicone boot cover is compatible with battery studs and power junction blocks, making it suitable for automotive, car, truck, marine boat and various other applications.