The JCM Industries Long Ductile Iron Coupling with Stainless Steel Bolt is designed for pipes with a diameter of 4.5 inches. This coupling features a durable ductile iron construction, providing excellent strength and corrosion resistance. The inclusion of stainless steel bolts enhances the coupling's longevity and reliability in various applications, including water and wastewater systems. It meets industry standards for safety and performance, ensuring secure connections for both new installations and repairs. The design allows for straightforward installation, making it a practical choice for contractors.