- Effortless Operation with Auto-Retract : The built-in spring-loaded mechanism allows the 6-meter cord to retract automatically with a gentle lift. This feature eliminates the need for manual winding and enables the steel bob to stabilize vertically within seconds, making it easier to align walls, install fixtures, and check verticality in various construction and DIY tasks. - Convenient Multi-Surface Magnetic Adhesion : The powerful neodymium magnet attached to the side secures effortlessly to iron beams, steel frames, and other metal surfaces, keeping your hands free for precision measurements. For non-magnetic surfaces like wood or drywall, use the press-fit fixed pin or hook hole for reliable anchoring—perfect for carpentry, masonry, or renovation projects. - Robust and Durable Design : Crafted from high-strength ABS engineering plastic, this plumb bob withstands impacts and wear during demanding use. Its ergonomic shape provides a secure, non-slip grip, while the steel bob ensures consistent accuracy even in challenging job site conditions. - Versatile for Various Applications : This tool is ideal for a wide range of tasks, whether you're aligning steel structures on construction sites or hanging shelves in your workshop. Its compact size and 6-meter range make it suitable for both tight spaces and larger projects, including masonry work, drywall installation, door and window fitting, and furniture assembly. Experience a reliable tool that enhances your efficiency and precision in every project, making your work smoother and more effective.