3 Vials, Adjustable Vials (2 Plumb, 1 Top-Reading Level). Heavy-duty aluminum I-beam frame. The large top-reading level vial is magnified, florescent, and open on three sides for easy viewing. A spring-loaded level vial is easily checked and adjusted for level and plumb on the job. The magnetic edge version frees hands when leveling ferrous metal surfaces.
The picture shows the shape, not the exact size. Limited Quantity.