The 5 PK Polaris (PTO-500) 500 MCM Wire Aluminum Tin Plated Pin Terminal is designed for connecting 500 MCM aluminum conductors. These pin terminals are tin-plated for enhanced corrosion resistance and provide reliable, low-resistance connections. Ideal for industrial and commercial applications, the aluminum construction ensures a lightweight yet durable solution. The 5-pack offers value and convenience for larger installations or maintenance projects, ensuring long-lasting performance and secure connections in demanding electrical environments.