Keep your trailer securely hitched with this essential 3-piece trailer coupler pin set. Each heavy-duty steel pin measures 5/16 inch in diameter and 1-3/4 inches in length, providing reliable strength and a precise fit. The quick-release ring design allows for fast and convenient coupling while preventing accidental pin loss during transit. Features include a durable plastic-coated tether that keeps the pin attached to your trailer tongue when not in use, eliminating the hassle of misplaced pins. Perfect for securing trailer hitches, these pins are constructed from robust steel for long-lasting performance in demanding conditions. The set includes three identical pins, giving you spares or allowing you to secure multiple trailer connections. Ideal for boat trailers, utility trailers, and other towable equipment, these pins help ensure your cargo stays safely connected throughout your journey.