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. Item Type: Power Distribution Block Material: Zinc Alloy, ABS Wiring Hole: 1 x 0GA IN 3 x 4GA OUT Fitment: Universal 1 x Power Distribution Block