1、Secure Connection: These fittings feature threaded connections, providing a tight and reliable connection that prevents leaks and seepage. 2、High Strength Material: Manufactured with high strength materials, ensuring outstanding durability and stability under various climatic and environmental conditions. 3、Size: This boat thru hull barb fitting is suitable for 1 inch internal diameter hose. It is crucial to check to ensure a proper connection that prevents leaks. 4、Wide Application: Ideal for use in various types of yachts, such as sailing yachts, fiberglass yachts, inflatable yachts, and commercial yachts. 5、Easy Installation: Designed for hassle free installation, suitable for various types of vessels, requiring no extra tools or professional knowledge, saving time and effort. Item Type: Marine Thru Drain Threaded Fitting Material: 316 Stainless Steel Interface Diameter: Approx. 1in / 2.54cm Application: Suitable for marine yacht, Fiberglass yacht, inflatable yacht, business yacht 4 x Marine Thru Drain Threaded Fitting