Empire Level is committed to delivering innovative solutions designed to satisfy the needs of the modern jobsite. The 32" and 78" Box Level Jamb Set (E75JAMB) offers superior performance in the key areas of functionality and durability. The box levels are constructed with an all-metal frame as well as top and bottom precision-milled edges to deliver accuracy to within 0.0005 in. per inch in all working positions. For added durability, the e75 series features a reinforced locking system that secures the vial settings and guarantees long-life accuracy. The e75 box level also equipped with rubber shock-resistant endcaps that are tool-free removable to enhance scribing performance into corners. Magnetic models boast high-strength rare earth magnets for superior holding power when working with door frames, steel studs, ferrous pipe and other common metal-working applications.