[Versatile Application] These universal welded hinges are ideal for a variety of metal surfaces and structures. Their uncoated dark gray steel finish allows for easy painting to match your existing setup. Whether you're working on trailer doors, metal gates, or other industrial applications, these hinges offer reliable performance and seamless integration with your project. [Professional Grade Quality] Precision-engineered, these hinges feature exquisite workmanship and unique design elements. Professional construction ensures stable, consistent performance and high reliability over time. Each hinge undergoes rigorous quality control to guarantee perfect alignment and smooth movement for years of trouble-free service. [Secure Weld-On Design] Designed for permanent installation, these weld-on hinge plates eliminate the need for screws or fasteners. The weld-on fitting creates a stronger, more secure connection compared to traditional mounting methods. Perfect for applications where vibration or heavy loads can loosen conventional hinges, these provide unparalleled stability for trailer doors and tailgates. [Durable Steel Construction] These heavy-duty door hinges are constructed from steel to ensure exceptional strength and longevity. Measuring 106 mm x 75 mm and 5 mm thick, they provide reliable support for demanding applications. Their robust construction ensures they wear down and maintain smooth operation even under heavy use. [Heavy-Duty Performance] Designed for demanding environments, these butt hinges deliver superior strength and security. The thick 5 mm steel plates resist bending and warping even under extreme conditions. Their robust construction makes them an excellent choice for commercial industrial and agricultural applications where durability and reliability are paramount.