- The magnetic plumb bob features a strong side magnet for easy attachment to iron objects, enabling quick setup and hands-free use. - Includes a high quality carbon steel hammer to provide stability during operation. - The line is made from high-quality nylon thread, which is easy to identify, wear-resistant, stable, and not easy to break. - This plumb can be fixed on wood and masonry wall surfaces, and a safety lock helps prevent accidental injury for a safer working experience. Use scenarios - Efficiently check vertical alignment when mounting shelves or cabinets on metal frames or iron studs by attaching the plumb bob with the magnet. - Hang pictures or install fixtures on wooden walls, using the plumb to verify true vertical alignment before fastening. - During masonry wall work (such as tile or brick installations), fix the plumb to ensure vertical accuracy and proper alignment of structures or features.