Features Durable material: to strengthen the nylon base and housing, glass fibres are used, which ensure high mechanical strength and durability as well as good flame resistance. Main purpose: collect the wiring harness of the negative electrode in a 48V car, ship or yacht to ensure clean wiring and safe power consumption. Wide application: the rated voltage and rated current are 48V 300A and can be used in DC supply systems such as automobiles, RVs and yachts. M10 Terminal Bolts The busbar box is equipped with M10 terminal bolts, is made of stainless steel, is rust-proof and durable, and can be used in marine environments. Removable box: the module box design makes it easy to insert and sort internal cables and has 6 removable windows to meet more requirements. Specification: Item Type: Busbar Box Material: nylon, stainless steel. Package list: 1 x busbar box. 4 x screws Package List 1 x Bus Bar Box 4 x Screws