1. Adjustable Versatility This door mounting kit offers flexible height and width adjustments, fitting a variety of door types, including French doors, pocket doors, bifold doors, steel frame doors, fire doors, and barn doors. It effectively lowers doors by 11/32 inches and raises them by 13/8 inches. 2. UserFriendly Installation Designed for easy setup, this mounting dolly allows a single person to complete the task. Equipped with four 360° swivel wheels with brakes, it ensures smooth mobility and reliable stopping during assembly. 3. Durable Design with Enhanced Capacity Built with triangular reinforcements on all four corners, this door mounting kit minimizes distortion and maximizes loadbearing capacity. Each tool supports up to 227 kg, offering a total capacity of 453.6 kg, while ensuring safe handling with rounded, welding that prevents sharp edges. 4. Effortless Setup Unlike traditional door installations requiring two people, this door trim dolly enables one person to make adjustments easily. It arrives ready to use, with no additional accessories needed, and its four 360° swivel wheels facilitate smooth maneuvering and positioning.