The 12x1.5M Hex Plug with ISO O-Ring from Fittings Unlimited Inc is a high-quality sealing solution for threaded pipes. This hex plug features a 12x1.5M size, ensuring a secure fit in various applications. The integrated ISO O-Ring provides an additional layer of sealing, preventing leaks and ensuring system integrity. Made from durable materials, this plug is resistant to corrosion and wear, making it ideal for long-term use. Its straightforward design allows for easy installation and removal, making it a practical choice for professionals.