The 1-1/4" Black Steel Hex Countersunk Plug from Service Metal Products is a vital component for sealing threaded openings in piping systems. Crafted from high-strength black steel, this plug is designed to withstand high pressure and temperature conditions. Its hex design allows for easy installation and removal using standard tools. This plug is ideal for use in oil, gas, and water applications, ensuring a secure seal that meets industry standards for safety and performance. A reliable choice for professionals in need of durable sealing solutions.