High Performance 3-Way Mini-ANL Fused Distribution Block with 3X60A, 3X80A, 3X100A Fuses ^^ 3 X 0/2/4 Gauge In, 3 X 4/8 Gauge Out. Forged and Machined Brass Construction for Maximum Power Transfer ^^ Marine-grade Satin Chrome Finish for Superior Corrosion Resistance ^^ A High-temperature Polycarbonate Base and Cover Provide Insulation and Protection ^^ Branch the Main Power Wire to Connect Multiple Amplifiers