Features: 1.Premium Material: Bus bar is made of premium brass and ABS material, rustproof, high strength, not easy to damage, sturdy and durable. 2.Function: Power distribution block with a cover to consolidate, distribute, or protect your electrical system, managing wires and distributing power. 3.Professional Design: Professional manufacturing, exquisite workmanship, ensures even and consistent flow and stability, has a long service time. 4.Strict Standards: Built to greatly quality control standards, 4 post M6 and 6 wiring screw M4, 125mm center distance, 4mm screw hole distance. 5.Wide Application: 4 post power distribution block is ideal for your car, truck, RV, boat, yacht, solar systems, and other, has a wide range of application. Specification: Item Type: Power Distribution Block Material: Brass and ABS Voltage: 300V AC/48V DC Current: 130A AC/150A DC Center Distance: Approx. 125mm/4.92in Screw Hole Distance: Approx. 4mm/0.16in 4 Post M6 and 6 Wiring Screw M4 Fitment: Fit for car, RV, boat