The 3 X 4 Stainless Steel 3000# 316 Square Plug is a high-strength, durable pipe fitting designed for sealing the ends of threaded pipe systems in high-pressure environments. Featuring a Male Pipe Thread (MPT) connection, this plug ensures a tight, leak-proof seal, preventing fluid or gas leakage in critical systems. The square head design allows for easy installation and removal using a wrench, making it ideal for temporary or permanent closures. Made from premium stainless steel, it offers exceptional resistance to corrosion, high temperatures, and mechanical stress, making it suitable for industrial, chemical, marine, and high-pressure applications.