Feature 1、Basic Parameters: The maximum operating voltage is DC 48V, the maximum Amp of each circuit is determined by the connected wires. The red one is the positive terminal and the black one is the negative terminal. Allow terminating of heavy duty cables for one or more connections. 2、High Strength and Durability: Dual 1/4in stainless steel studs, lock washers and nuts are strong and rust resistant. The base is made of flame retardant plastic to keep you safe and ensure excellent mechanical strength and durability. 3、Reinforced Nylon Material: Battery junction posts are made of fiberglass reinforced nylon. These substrates are stronger than basic nylon or plastic, are less affected by extreme temperatures, and are more resistant to chemicals. 4、Package Contents: The package contains 1pc M6 (1/4 inch) black heavy duty binding post, 1pc red M6 (1/4 inch) binding post; 4pcs mounting screws. Surface screw fixed installation, two installation holes, easy to install in any direction. 5、Wide Applications: The Battery terminal junction block is suitable for customizing vehicles or replacing batteries. Suitable for 12‑48V buses, ships, cars, trucks, trailers, boats, RVs and other industrial equipment. Item Type: Power Distribution Block Material: Flame Retardant Nylon PA66, Brass Nickel Plated, Stainless Steel Quantity: One Pair, Red Positive + Black Negative Rated Current: 80A Terminal Thread Size: 1/4in (M6) Strength and Durability: A pair of 1/4in stainless steel studs, lock washers and nuts are strong and rust resistant. The base is made of flame retardant plastic to keep you safe and ensure excellent mechanical strength and durability. Scope of Application: Cars, RVs, ships, trucks, electrical equipment and solar cells, etc. Package List 2 x Power Distribution Block4 x Screw