SECO Hand Levels feature brass bodies, a non-glare internal finish, high-visibility neon yellow vials, and three-line mirrors. The typical accuracy of the SECO Hand Level is 1/4-inch per 20 feet.
 
Features brass bodies, a non-glare internal finish, high-visibility neon yellow vials, and 3-line mirrors. The 2X model is a heavy-duty 5 inch (127 mm) hand level that extends to 7 inches (178 mm). External vial is easily replaced in the field.