STABILA STA-37540 - Jamber 78-Inch and 32-Inch Aluminum Box Beam Level SetIdeal for framing, trim, masonry, and concrete applications, this level has an ultra rigid aluminum profile with reinforcing ribs and finger grip openings for high stability and secure hold. The set comes equipped with 32" and 78" length levels. Features Certified Level Accuracy 0. 029 1 32" over 72" 0. 5 mm per meter right side up or upside down Electronically adjusted, then accuracy inspected and certified Vials read the same in all positions Bright