Universal: Suitable for 12-48V trucks, RVs, boats, trailers and other industrial equipment. Material: Made of plastic and metal material, strong and rust-proof, durable and not easy to damage. The base is made of flame retardant plastic for your safety, ensuring good mechanical strength and durability. Function: Protect your equipment aspect. The fully insulated base of the stud prevents any voltage from leaking into your vehicle or boat hull and protects your electronics from stray currents in hot ports. Easy Installation: The surface of the terminal post is fixedly installed with screws, and two mounting holes make this terminal easier to install in any direction. Note: Please be gentle when tightening, otherwise the nut threads will come off. Package Included: 1 Set Terminal Block Power Stud.