The 5" Cast Iron Wing Nut Test Plug is designed for effective sealing in plumbing and testing applications. Made from durable cast iron, this test plug provides a reliable barrier against leaks and is suitable for high-pressure environments. Its wing nut design allows for easy installation and removal, making it user-friendly for professionals. This product is ideal for use in various systems, including drainage and waste management, and meets industry standards for quality and safety. The robust construction ensures longevity, making it a dependable choice for any project.