product features: 1. Nine locked positions simulate the position of parts on the vehicle to achieve seamless matching. 2. Fully locked casters for stable mobility, zero movement when locked. 3. One-handed high-efficiency operation, uninterrupted spraying. 4. Rotate the panel 90 degrees (be careful when placing two doors) to ensure that the correct paint is covered in a very timely manner. 5. Cover paint completely from inside to outside. Packing list: tool rack *1.