This Imperial Supplies 5/16-3/8 Solder Seal Ring Terminal, 71012 is a high-quality circular connector designed to provide reliable and durable connections for wires. The terminal is made of tin-plated copper and features a heat shrink ratio of 3:1. It is compatible with wire gauges of 14 and 16 and can be easily mounted using the ring style.The blue-colored terminal is made of tin plated, polyolefin, adhesive-lined polyolefin, and copper materials. It is manufactured in the United States and is suitable for a variety of applications. With a quantity of 50, this terminal is perfect for large electrical projects.