As the dominant market leader in levels， squares， and marking products， Empire Level is committed to delivering innovative solutions designed to satisfy the needs of the modern job site. The E75 series True Blue box levels are engineered to offer the very best in performance， durability， and technology. The box levels are constructed with an all-metal frame as well as top and bottom precision-milled edges to deliver accuracy to within .0005 in. per inch in all working positions. Core to the e75’S durability is its reinforced vial locking system which provides increased defense against job site abuse. For added protection， the E75 features integrated shock-absorbing end caps that can easily be removed tool-free for use in tight spaces or in long-distance scribing. Magnetic models boast high-strength rare earth magnets for superior holding power when working with door frames， steel studs， ferrous pipes， and other common metal-working applications.