Features:_x000D_ 1. Can be fixed on wood, masonry wall surface, safety lock can prevent accidental injury._x000D_ 2. High-quality nylon thread is easy to identify, wear-resistant and durable, not easy to break._x000D_ 3. Adjustable ranging for different construction situations._x000D_ 4. High quality carbon steel hammer with stable performance._x000D_ 5. Strong magnet on the side for easy attachment to iron objects._x000D_ 6. Suitable for building line and wall vertical measurement._x000D_ _x000D_ Specification:_x000D_ Condition: Brand New_x000D_ Item Type: Wire Plumb Bob _x000D_ Applicable length: 3 meters / 9.8ft, 6 meters / 19.7ft (optional)_x000D_ Usage: Suitable for building line and wall vertical measurement_x000D_ _x000D_ Package List:_x000D_ 1 * Line hammer_x000D_ _x000D_ Note:_x000D_ 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.