1Seamless: Marine hinges can be completely embedded in the door frame, so that the door and the door frame are seamlessly connected, providing a more neat look. 2Wide Application: This set of door hinges are widely used in Marine yacht, Frp yacht, inflatable yacht, business yacht and other types of yacht boats, 3High Strength: Manufactured with 316 stainless steel with high strength and rust resistance to ensure stability in various climatic and offshore environmental conditions. 4Smooth and Noiseless: The hatch hinge is carefully processed and assembled in the manufacturing process to ensure smooth opening and closing, no noise. 5Easy Install: Designed for easy installation without additional tools and expertise, it can be easily and quickly installed on board, saving time and effort.