The 2-1/2" FS SQ HD PLUG by Capitol Manufacturing is a robust plug designed for secure sealing in piping systems. Made from high-quality materials, this square head plug offers excellent durability and resistance to corrosion. Its female socket connection ensures a tight fit, preventing leaks in various applications. Ideal for both residential and industrial use, this plug meets industry standards for safety and performance. Its compact design allows for easy installation in tight spaces, making it a practical choice for any plumbing project.