Features: 

· Versatile attachment: The measuring instrument can be fixed with pins for wood, magnets for steel, or hooks for concrete, allowing direct attachment to various surfaces.

· Powerful magnetism: High-quality neodymium magnets provide strong magnetic force up to 2000 Gauss, enabling miniaturization and lightweight design.

· Automatic balance adjustment: Ensures precise and stable measurement.

· Convenient visibility: Equipped with a bright yellow silk line for easy observation.

· Quick-stop heavy bob: The heavy plumb bob comes to an immediate stop, improving measurement efficiency and safety.