The 1-1/4 GAL FS HEX HD Plug by Capitol Manufacturing is designed for sealing threaded openings in fluid systems. This plug features a 1-1/4 inch female socket and a hex head for easy installation and removal. Made from durable materials, it ensures a tight seal and long-lasting performance. Ideal for use in plumbing, HVAC, and industrial applications, this plug meets ANSI standards for quality and reliability. Its robust construction provides excellent resistance to corrosion and wear, making it a dependable choice for professionals.