The JCM Industries Tapped Universal Clamp Couplings are designed for 4-inch pipes, with a diameter range of 4.74 to 5.14 inches. These couplings are made from high-quality materials, ensuring strength and durability in various applications. The tapped design allows for easy installation and secure fastening, making them ideal for plumbing and industrial use. Compliant with industry standards, these couplings provide reliable performance and are essential for connecting different pipe types. Their versatility and ease of use make them a valuable addition to any professional toolkit.