Features: 1.Premium Components: Nickel plated brass contact plates for optimal current transfer and weather resistance, nylon base for excellent insulation and strength. 2.Rust Resistant: The power distribution terminal feature stainless steel hardware for extreme conditions, are rust free and can be used in marine environments. 3.Protective Cover: The power distribution block is designed with a removable cover, which is dustproof and waterproof, effectively protecting the connection. 4.Recommendation: We recommend applying a small amount of nickel anti seize compound to the threads to prevent wear on the power distribution busbar. 5.Wide Application: Stainless steel 5/16in 4 studs make this busbar suitable for various applications such as power systems in cars, RVs, ships, yachts, etc. Specification: Item Type: Power Distribution Block Material: Stainless Steel + Nickel Plated Brass + Nylon Maximum Voltage: 48V DC Current Rating for 1 Stud: 62.5A Rated Current of the Whole Electric Block: 250A Auxiliary Terminal Screw Current: 20A Function: Bring the wiring harness together to reasonably store the wiring inside the vehicle and boat Scope of Application: Can be used in power systems of automobiles, RVs, ships, yachts, etc.