Compatibility Assurance: to match both the color and amperage rating for a secure connection. These red 175A connectors are specifically designed for 4-1/0 AWG cables and are not interchangeable with other colors or amperage ratings like 120A or 350A. Enhanced Conductivity: Equipped with solid copper contacts that are silver-plated, these connectors offer superior electrical conductivity. This feature ensures minimal power loss even when operating under heavy loads, making them ideal for high-demand applications. Robust Construction: Built to last, these connectors feature high-temperature nylon housings and -grade copper terminals. They are engineered to withstand harsh weather conditions, vibrations, and frequent usage without compromising performance. Effortless Installation: This kit includes everything needed for a complete setup, with color-coded housings to prevent polarity mistakes. The quick connect/disconnect design allows for easy, tool-free assembly, enhancing convenience and safety during installation or in emergencies. User-Friendly Design: The connectors are designed with a self-aligning mechanism and textured grips on the sides, facilitating quick and secure connections without the need for tools. This design feature is particularly useful in emergency situations where time is critical. Color: Red Material: plastic Package Contents: Plug 2 Pack Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.