1、SUPERIOR DURABILITY AND FIRE RESISTANT: Made from nylon glass fiber reinforced material, the base of this power distribution block ensures outstanding mechanical strength and durability, with flame retardant properties. 2、HIGH CONDUCTIVITY BRASS TERMINALS: All terminal posts are crafted from brass, offering exceptional conductivity properties. This design ensures lasting performance and reliability, even in harsh marine environments, where durability is crucial. 3、ORGANIZED WIRING FOR AESTHETIC APPEAL: Designed to neatly consolidate wiring harnesses, this busbar block not only helps organize your wires effectively but also enhances the overall aesthetics of your vehicle or boat's interior. Keep your wiring clean. 4、EASY MULTIPLE CONNECTIONS: Marine battery bus bar features 5 x 5/16 inch (M8) studs, allowing for the safe and straightforward connection of multiple wires and cables. This user friendly design makes it easy to manage electrical connections. 5、VERSATILE APPLICATIONS: Suitable for 12 to 48V applications in cars, trucks, RVs, marines, and various industrial equipment, this marine battery distribution block is ideal for customizing vehicles or relocating batteries. Item Type: Power Distribution Block Material: Flame Retardant Plastic + Brass Terminal Working Voltage: DC48V Maximum Working Current: 300A Terminal Size: M8 x 5 Characteristic: Modular box design for easy wiring; used for smooth wiring; top blank writing space for easy labeling of each branch Wide Application: Suitable for 12 to 48V cars, trucks, RVs, boats, ships, and other industrial equipment. Distribution block can be used for custom vehicles or relocating batteries 1 x Busbar Box 1 x Cover 4 x Screws