What is the function of a laser frame alignment tool?

The function of a laser frame alignment tool is primarily to ensure precision during the alignment of a damaged frame. When repairing structures, especially in automotive bodywork, a significant amount of accuracy is required to restore the original geometry of the vehicle. The laser alignment tool uses laser beams to create reference lines and points, allowing technicians to measure and adjust the frame with a high degree of accuracy, which is crucial for safety and performance. Proper alignment aids in ensuring that body panels fit correctly and that any suspension or drivetrain components are also in proper alignment, ultimately enhancing driving quality and safety.

The other options, although related to body repair, do not pertain to the specific task of frame alignment. Application of paint evenly, measuring the thickness of fillers, and shining surfaces before painting are all important processes in bodywork but do not include the critical function of ensuring frame precision.