Item Type: Power Distribution Block Material: Zinc Alloy Nickel Plating Wiring hole: 1 x 0GA (IN), 2 x 4GA (OUT) Application: Automobiles, boats and many other vehicles Package List 1 x Power Distribution Block 1Wide Application: The power distribution box is widely suitable for automobiles, RVs, ATVs, boats and many other vehicles to meet your various demands. 2Multiple Wire Using: Perfect for use with power or ground wire which will eliminate the need to run several wires from the battery or drill excess grounding spots in your vehicle. 3Quality Sound: Especially used for vehicle audio system modification, eliminate static electricity and reduce noise, and the sound quality has a relatively obvious improvement. 4Professional Design: The power distribution splitter is designed with a 0 gauge input and two 4 gauge outputs, ideal for hooking up multiple components in your system. 5Durable Construction: The fuse distribution box is made from zinc alloy nickel plating for maximum durability and stable characteristics, has a long lasting service life.