Empire e70.48 True-Blue 48-Inch Level with Free Soft Case 48-inch level with soft case Accurate to within 0.0005 inches per inch in all 10 level and plumb working positions Heavy-duty 6061 aircraft aluminum chassis for optimal durability; dual molded end caps 300-degree view, top-reading level vial; solid block acrylic vials won't break, leak or fog Milled edges for accuracy; lifetime warranty