🚗[ Specification ] max operating voltage: Dc 48v, max amp per circuit, determined by wires connected. The red one is positive/ the black one is negative.<br> <br> 🚗[ Strength and durability ] dual 5/16 "stainless steel studs, lock washers, and nuts are sturdy and rust resistant. The base is made of flame retardant plastic to protect your safety and ensure great mechanical strength and durability.<br> <br> 🚗[ The solid material of fiberglass ] our products are made of fiberglass reinforced nylon. These substrates are stronger than basic nylon or plastic, less affected by extreme temperatures and more resistant to chemicals.<br> <br> 🚗[ Packaging includes ] heavy duty terminal studs: 1 pcs black M8 (5/16 inch ),1 pcs red m8 (5/16 inch ), 4 pcs mounting screw. Surface screw fixed installation-two mounting holes make it easier to be mounted in any orientation.<br> <br> 🚗[ Widely applications ] the terminal studs is suitable for customizing vehicles or replacing batteries. Suitable for 12-48v buses, ships cars, trucks, trailers, boats, rvs, coachesand other industrial equipment. Allow terminating of heavy duty cables for one or more connections.<br>