***** **********Best Quality Guranteed. *****Wide range of applications - Useful for customizing vehicles or relocating batteries. Suitable for trucks, RVs, coaches, boats, etc. *****Durable performance - Dual 1/4" Stainless Steel Stud, Lock Washer, and Nut. Glass Fiber reinforced Nylon base ensures great mechanical strength and durability*****Heavy terminal studs - The base is made of flame retardant plastic to protect your safety. *****Installation method - Surface screw fixed installation, Red or Black color allowing easy and clear color coding for wiring*****Easy to use- There are two mounting holes, can be mounted in any orientation.