Feature: 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 ABSVoltage: 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. Package List: 1 x Power Distribution Block2 x Screw