1Rustproof and Durable: Made from stainless steel, the boat hinge is designed to withstand the bad effects of saltwater environments, ensuring a longer lifespan. 2Enhanced Load Bearing Capacity: The marine hinge is reinforced and able to withstand heavy loads, providing exceptional stability and safety for various applications. 3Mirror Polished Surface: The hatch hinge features a high gloss, mirror like surface, weatherproof, ideal choice for replacing or upgrading old hinges. 4Rigorously Tested: The hinge has undergone multiple performance tests to ensure its reliability, exquisite appearance, adding a touch of elegance for your boat. 5Versatile and Convenient to Use: The marine door hinge is easy to install, suitable for boats, yachts, RVs, cabin doors, and other marine applications.