Features: 1.300A highest amperage rated bus bar with M10 terminal studs, stable performance. 2.Fiberglass reinforced nylon base and shell, insure excellent mechanical strength and durability. 3.The heavy?duty modular box design is convenient for wiring configuration, simple for using. 4.With blank writing space at the top, making it easy to marks each branch. 5.Used to accommodate a negative wire harness in a car or ship, and to bundle the negative wire together to make the storage of the box more beautiful. Specification: Item Type: Bus-Bar Box _x000D_ Material: Fiberglass + Nylon_x000D_ Overview:_x000D_ The Bus-Bar Box plays a role of accommodating a negative wire harness in a car or a ship yacht, and brings the wires of the negative electrode together to make the box storage more beautiful._x000D_ Rated Voltage: 48V DC_x000D_ Rated Current: 300A_x000D_ Terminal Size: 2 x M10 (3/8in)_x000D_ Screw Size: 6 x M5 (3/16in)