DescriptionMaterial Type : Brass Zinc AlloyDescription:Car Audio holder:for Car audio modification parts, power amplifier or subwoofer installation, protect ..Distribution Block: Input 3x 0GA, Output 4x 4GAMaterial: Made of brass and zinc alloy, with removable plastic protective shell, durable and solid.Automatic Protection: car holder prevent excessive current, avoid overheating of the line, and automatically cut off when the current is too large.Application: cars, Boats, yachts, ships, RV and other vehicles lines of electrical for power splitting.Specification:Wiring hole: 3x0Ga (input) 4x4ga (output)Item number: Copper multifunctional seatMaterial: Brass AlloyWeight: about 211gSize Chart:7.8cmx4.9cmx3.2cm/3.07inchx1.93inchx1.26inchPackage Includes:1 Piece Power Distribution Block HolderNote:1. Please allow slightly error due to manual measurement.2. Due to between different monitors, the picture may not reflect the actual the item.3. Wish wonderful online shopping!