This 18 inch by 60 inch door assembly with lock and hinge is made of diamond plate aluminum, specifically designed for left-hand use. It is available in both smooth aluminum and diamond plate aluminum, and is sold individually. The door features continual-seam weldments that effectively prevent moisture trapping, cracking, and fatigue. It is compatible with most 18 inch x 18 inch x 60 inch underbody makes and models. This product offers durability, security, and convenience, making it a practical choice for various applications.