The 12" Cast Iron Wing Nut Test Plug is a reliable solution for testing and sealing pipes in plumbing systems. Made from durable cast iron, this test plug is designed to withstand high pressure and harsh conditions. Its straight design allows for easy installation and removal, making it ideal for both residential and commercial applications. The wing nut feature provides a secure grip for easy handling. This test plug meets industry standards for quality and performance, ensuring effective sealing during pressure tests.