Empire Level E70JAMB SET True Blue 32- and 78-Inch Level Door Jamb Set 32-inch and 78-inch levels in a door jamb set True Blue vials are accurate to within .00050-inch per inch in all 10 level and plumb working positions Dual molded rubber endcaps for extreme shock resistance; heavy-duty 6061 aircraft aluminum chassis Ergonomic rubber hand grips; solid block acrylic vials won't break, leak or fog Weighs 7.8 pounds shipped; covered by a True Blue Pro lifetime warranty