Features • Safety Lock Feature - The safety lock secures the tool on wood or masonry walls, preventing accidental injuries during use • Durable Nylon Thread - Made from high-quality nylon, the thread is wear-resistant and easy to identify, ensuring long-lasting performance without frequent breaks • Versatile Ranging Adjustment - Easily adjust the range for various construction situations, making it suitable for both professional and DIY projects • Stable Carbon Steel Hammer - Designed with a carbon steel hammer, this tool offers reliable performance and durability for all your measuring needs • Strong Magnetic Attachment - Equipped with a powerful magnet on the side, this tool easily attaches to iron surfaces, allowing for hands-free operation during measurements Features: 1、Can be fixed on wood, masonry wall , safety lock can prevent accidental injury. 2、High？quality nylon thread is easy to identify, wear？resistant and , not easy to break. 3、Adjustable ranging for different construction situations. 4、 carbon steel hammer with stable performance. 5、Strong magnet on the side for easy attachment to iron objects. Specification: Features: 1. Can be fixed on wood, masonry wall , safety lock can prevent accidental injury. 2. High-quality nylon thread is easy to identify, wear-resistant and , not easy to break. 3. Adjustable ranging for different construction situations. 4. carbon steel hammer with stable performance. 5. Strong magnet on the side for easy attachment to iron objects. 6. Suitable for building line and wall vertical measurement. Specification: Condition: Item Type: Wire Plumb Bob Applicable length: 3 meters / 9.8ft, 6 meters / 19.7ft (optional) Usage: Suitable for building line and wall vertical measurement Package List: 1 * Line hammer Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 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. Package List