FUNCTIONAL LEVEL: This leveler features powerful GripTight v-groove rare earth magnets that hold flat or round ferrous metal surfaces; offering hand-free use. QUALITY CONSTRUCTION: The Johnson level has a solid billet aluminum frame that promises excellent durability. The CNC machined level has heat dissipation for welding. ACCURATE READING: The checkpoint level has a machined vial opening that provides accurate readings effortlessly. IDEAL APPLICATIONS: The Magnetic Billet Torpedo Level is ideal for plumbing; welders; and electrical contractors. It fits perfectly on pipe and conduit PRODUCT SPECIFICATIONS: The Torpedo Level is available in a black shade with four vials that measure 0°; 30°; 45°; and 90°.