Features: Premium copper nylon construction ensures superior conductivity and corrosions resistance, delivering circuit protections for automotive fuses boxes, relays boxes, and control modules in demanding environments. Allows swifts installation/replacement of PCB relays components, minimizing downtime during emergencies repairs or routine maintenance. Ideal for multi vehicle owners and road trip enthusiasts requiring crossing compatibility across car models and robust performances under extreme temperatures. Withstands engine heat, UV exposure, and vibrations during off road adventures or daily commutes while safeguarding against overloads in complex electrical systems. The weatherproof nylon housing integrates smart current management technology, creating practical solution for modern vehicles' evolving circuit protections needs. Specifications: Component: Copper,Nylon Contact resistance: <50mΩ Insulation resistance: >100MΩ Package Includes: 1Piece Car Relays Box note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.