Features 1、POWERFUL PERFORMANCE: Our magnetic hammer line features a premium, fast, and stable 15 ounce bob head, allowing for the creation of perfect vertical lines or plumbbobs within seconds. 2、VALUE AND PRACTICALITY: The magnetic wire hammer includes an adjustable plummet, which can be adapted to different sizes (5oz to 14oz/150g to 400g) through resistance adjustment, ensuring quick balance. Simply lifting the construction plumbbob, and the line automatically retracts. 3、FLEXIBILITY: The plumbbob with line comes with positioning pins for wood, strong magnets for steel surfaces, and hooks for nails or bolts. The positioning pins encased in elastic material provide extra drop protection and a sturdy grip. The retractable positioning pin offers added safety, allowing for its extension or retraction when not in use to prevent accidental injury. 4、DURABILITY: Our plumbbob is made of premium alloy steel materials, ensuring its longevity and resistance to wear and tear. It is built to withstand rigorous construction conditions and frequent use. 5、EASY TO USE AND HANDLE: The plumbbob is designed for ease of use, featuring a comfortable handle that allows for a firm grip and accurate control. Whether you are a professional or a DIY enthusiast, our plumbbob offers convenience and reliability in all your construction projects. Specification Item Type: Magnetic Wire Hammer Material: Alloy Steel, Nylon, ABS Application: Suitable for professional and amateur decoration construction and other vertical testing. Adapted to different sizes (5oz to 14oz/150g to 400g) plummet Package List 1 x Magnetic Wire Hammer