The Empire 36 Aluminum Magnetic I-Beam Level offers users superior functionality, durability and performance with high-contrast vial surrounds for easy viewing. The magnetic level provides accuracy within 0.0005 in. per inch in all working positions. The I-Beam level has an all-metal frame for long-life accuracy and is equipped with impact-resistant end caps to withstand the harshest jobsite conditions. This aluminum level is part of the 500 series and features a top-read window for clear overhead viewing and has built-in molded grip zones for enhanced portability. The magnetic level utilizes a high-strength continuous magnetic edge which provides users with maximum holding power when measuring door frames, steel studs, ferrous pipe and other common metal-working applications. Empire backs their aluminum I-Beam levels with a limited lifetime warranty.