The MILWAUKEE 48 in. Magnetic I-Beam Level provides a best-in-class solution that is built to withstand job site conditions.The all-metal frame offers superior durability and protects accuracy while maintaining lightweight performance for easy transport on and off the site. Impact-resistant vial covers protect vials from drop and impact damage, debris, and fogging for better visibility. This 48 in. magnetic levelprovides an integrated pitch vial to easily set 1-degreeand 2-degreepitch for runoff applications. The strong magnetic edge provides reliable hold to any ferrous surface for trusted hands-free use. Milwaukee I-Beam Levels are proudly made in the USA and offer a limited lifetime warranty.;Easily set a pitch of 1 or 2-degrees;Provides accuracy within .0005 in./in. in all working positions;Strong magnetic edge for reliable hold on metal surfaces;Durable, lightweight aluminum I-Beam frame;;;;;;