The 10" Cast Iron Wing Nut Test Plug - Straight by Braxton Harris is engineered for reliable sealing and testing of larger plumbing systems. Constructed from durable cast iron, this test plug offers exceptional strength and longevity. The straight design allows for straightforward installation, making it suitable for various applications. This product complies with industry standards, ensuring dependable performance for maintenance and testing tasks. Ideal for both residential and commercial use, it is a vital component for effective plumbing management.