The 12Cap Nut HEAVY from Fittings Unlimited Inc is a durable and reliable component designed for securing fittings in various applications. This heavy-duty cap nut is constructed from high-strength materials, ensuring long-lasting performance even under high pressure. With a size of 12, it is compatible with a range of fittings, making it a versatile choice for plumbing and hydraulic systems. The design allows for easy installation and removal, providing convenience in maintenance and repairs. Ideal for both commercial and residential use.