As the dominant market leader in levels, squares, and marking products, Empire Level is committed to delivering innovative solutions designed to meet the needs of the modern jobsite. The 500 Series I-Beam Levels provide superior performance in all key areas of user needs and functionality. Exclusive high contrast vials make viewing easy in all light conditions and feature impact resistant solid block acrylic vials for dependable durability. An all-metal frame provides superior durability and protects the long-term accuracy to 0.0005-inch per inch in all working positions. Each level comes equipped with high impact end caps to withstand the toughest jobsite conditions. For added utility the 500 Series features a top read window for clear overhead viewing and integrated molded grip zones for enhanced portability. Magnetic models feature a continuous high-strength magnetic edge that provides users with maximum holding power when measuring door frames, steel studs, ferrous pipe, and other common metalworking applications. Made in USA.