Features: 1.3 Way Design: 0 gauge in, 4 gauge out, high performance power distributor, offers complete protection for your car's audio system. 2.Premium Material: All of distribution blocks are made of high conductivity zinc alloy to maximize the security of your connections. 3.Deep Wire Recesses: These distribution blocks with deep recesses to protect your wiring from being left exposed to the elements or other objects that might cause your system to malfuction. 4.Universal Fit: Make wiring easier with distribution blocks. Applicable to auto, boat or other vehicles, protect your audio system. 5.Durable Shell: The shell is made of high strength industrial grade ABS plastic, which is not easy to damage and durable for a long time. Specification: Item Type: Power Distribution Block_x000D_ Material: Zinc Alloy, ABS_x000D_ _x000D_ Wiring Hole:_x000D_ 1 x 0GA IN_x000D_ 3 x 4GA OUT_x000D_ Fitment: Universal_x000D_ PackageList: 1 x Power Distribution Block