Specifications Equipped with up to three vials Break-resistant acrylic block vials Magnifying lens at +60% Tolerance in standard position: Less than 0.3 mm/m Tolerance in horizontal position: Less than 0.5 mm/m Horizontal and vertical readings Extra strong aluminum profile for maximum stability Length up to 96" Product DescriptionGet fast and accurate horizontal and vertical readings with the Sola Box Beam Level. It features break-resistant acrylic block vials with a magnifying lens (+60%) that helps ensure that every surface or angle is properly leveled and plumbed. Carpenters, electricians, and other professionals can read in dim lighting through an enhanced luminous backing. The Sola box beam has one of the highest measuring accuracies in the market with maximum deviations less than 0.3 mm/m (0.017°, 0.0003in/in.) in standard position and less than 0.5 mm/m (0.029°, 0.0005in/in.) in an inverted position. Other than that, its extra-strong aluminum profile is equipped with reinforced ribs for maximum stability ideal and heavy-duty use. Its epoxy coating protects the device from scratches and gives it a fresh, clean look. This Sola level has two to three vials that have a 30-year guarantee against leakage. Two shock-absorbing end caps cushion the device in case of a fall or shock with most models having a secure grip handle for convenient positioning. In the Box LSB1616" Sola Box Beam Level 16" LSB2424" Sola Box Beam Level 24" LSB24A24" Sola Box Beam Level with Handles LSB3232" Sola Box Beam Level LSB3636" Sola Box Beam Level LSB4848" Sola Box Beam Level LSB5959" Sola Box Beam Level LSB7272" Sola Box Beam Level LSB7878" Sola Box Beam Level LSB9696" Sola Box Beam Level LSB481616" and 48" Sola Box Beam Level Set LSB7832 32" and 78" Sola Box Beam Level Set