JL Audio XB-BTU Universal Battery Connector for 1/0-AWG to 8-AWG Power Wire Positive or negative battery connector Forged and machined 360 brass connection Elements and set screws have marine-grade, anti-corrosive Stannum plating Omnisert wire connectors accept a wide range of power wire sizes without additional adapter High-temperatute polycarbonate base and cover with rubberized grip surfaces