Specification: Maximum current: 150A Maximum voltage: DC 48V Terminal Diameter: M8 (5/16 inch) Maximum current per circuit: determined by connecting wires Color: Black/Red Material: nylon+brass+stainless steel Applicable models: suitable for trucks, RVs, long-distance vehicles, ships, automobiles, etc. Installation Notes: The surface of the electrical terminal block is screwed and installed, and the two mounting holes can be easily installed in any direction (the screws are packaged, no need to buy separately minus unnecessary trouble). Installation role: Heavy duty positive terminal M8 5/16 inch with mounting screws. Allows termination of one or more connected heavy-duty cables. Fiberglass reinforced nylon base ensures excellent mechanical strength and durability Stainless steel terminals, good electrical insulation, good water resistance, good alkali resistance, good low temperature resistance. The base is made of flame retardant plastic to keep you safe. Black/Red for easy and clear wiring color coding. After-sales instructions: All dimensions are measured by hand and may vary slightly. Due to differences in different monitors, the pictures may not reflect the actual color of the item.