- Constructed from durable steel, this door installation kit offers outstanding stability and longevity, easily withstanding impacts and bending. The black powder coating enhances corrosion and rust resistance while providing a sleek, textured appearance. - Featuring a robust triangular reinforcement design at each corner, this kit ensures shape retention and significantly increases load capacity. Each component supports up to 227 kg, making it reliable for various door types. - Compatible with doors ranging from 3.5 cm to 5.4 cm in thickness, this set includes a spacious, non-slip mat area that prevents damage during installation and guarantees a perfect fit for different door sizes. - Streamlining the door installation process, this kit allows for single-person operation without the need for additional tools. It is equipped with four 360-degree wheels with brakes, facilitating effortless movement and secure positioning, enhancing both comfort and efficiency. - Ideal for home improvement projects, professional installations, or DIY enthusiasts, this door installation kit is perfect for ensuring accurate alignment and stability for interior or exterior doors. Whether you're replacing a door or installing a new one, this kit simplifies the task and delivers reliable results.