The Starrett 136 has two vials at right angles which permit leveling in both directions without moving the level from the work. Made from cast iron, all working surfaces are flat and true Level has two vials at right angles for cross test leveling without moving the tool and a plumb level at the top for checking squareness Level is light and compact, with an attractive black wrinkle finish and a ground reference surface 2-3/4″ x 2-3/4″
