Johnson 12" Magnetic Aluminum Reinforced Torpedo Level is a professional-grade tool. Its sturdy aluminum reinforced frame ensures durability, while the rubber magnetic working edge allows for hands-free use on ferrous metal surfaces. The V-groove frame fits easily on pipes and conduits, and the tapered ends assure an easy fit into tool belts, tool pouches, or work pant pockets. The surround view vials reflect ambient light for easy reading, and the oversized frame has a 12" multi-pitch vial that reads slope in 1/8" increments. Backed by a 1-year limited warranty, this torpedo level is a reliable choice for professionals and DIY enthusiasts alike.