The STANLEY FATMAX® FMHT43610 9" Cast Torpedo Level features a magnified center block vial for easy readability. This level is designed with block plumb vials for accuracy of 0.0005"/in. Rare earth magnets that are twice as strong as basic strip magnets are built into the level for ultimate holding power and stability. A die-cast aluminum body adds strength and durability for exceptional tool life in a compact size. As a special feature, the 180 rotating vial is great for allowing you to duplicate precise angles.