A level including a first plate defining a top surface of the tool, and a second plate defining a bottom surface of the tool. The bottom plate extends generally parallel to the first plate. The level also includes a center plate having two opposing side surfaces extending generally perpendicular to the first plate and the second plate. The center plate connects the first plate and the second plate. The level further includes a plurality of apertures extending through the center plate, and a plurality of tubular vials disposed within the plurality of apertures. Each tubular vial contains fluid and air. The level also includes a slot extending along the first plate from a first end of the tool to a second end of the tool. The slot is configured to receive a straight edge.