Highest amperage rated bus bar (500A) withM8 (5/16inch) * 4+M10(3/8inch)*2 terminal studs Module box design for easy wiring configurations In addition, this Power Distribution Terminal Block comes with 4 M8 bolts and 2 M10 bolts, ensuring secure and reliable installation. The wire inlets and outlets are equipped with rubber gaskets to prevent accidental contact and provide dust and water protection, achieving a dust and waterproof function, which helps to safeguard the stability and safety of the wires and connectors. The High Current busbar is also known for its durability and stability, making it perfect for industrial and commercial applications. Its compact design and outstanding performance an excellent choice for electrical systems, especially in situations that require high current transmission and dust and water protection. We believe that this new 500A bus bar meet your needs and provide excellent performance and reliability for your automotive, car, marine, boat, etc. New