Features: 1.Premium Material: The busbars are made of conductive copper plates and stainless steel terminals. The insulating nylon base is flame retardant. 2.Protection Cover: Each busbar includes a cover that is dust and water resistant and abrasion resistant to protect connections from damage. 3.Important Parameters: The list includes a red busbar and a black busbar. Maximum voltage 300V AC, 48V DC. Maximum continuous current 130A AC, 150A DC. 4.10 Way Busbar: Each power distribution block includes 4 M6 binding posts and 6 M4 screw ends for 1/4in and M8 insulating ring terminals. 5.Wide Application: These busbars can work in extreme environments and are widely used in cars, trucks, ships, yachts, etc. Specification: Item Type: Power distribution block Each Block Includes: 4 x M6 terminal studs and 6 x M4 screw terminal Material: Polycarbonate, stainless steel, copper, nylon Maximum Voltage: 300V AC, 48V DC Maximum Continuous Current: 130A AC, 150A DC Function: Bring the wiring harness together to reasonably store the wiring inside the vehicle and boat Scope of Application: suitable for cars, trucks, ships, yachts, etc. PackageList: 1 x Positive Power Distribution Block 1 x Negative Power Distribution Block 2 x Transparent Matte Cover 2 x Nylon Screw Cap 4 x Fixing Screw