Post Level, Overall Height 7 3/4 in, Overall Length 3 in, Overall Width 5 1/2 in, Frame Material Polystyrene, Mount Type Hanging Hole, Mounting Hole Diameter 3/8 in, Number of Mounting Holes 1, Number of Level Vials 2, Total Number of Vials 3, Vial Types Included Level Vials, Plumb Vials, Accuracy - Standard 1 mm/m, Number of Plumb Vials 1, Magnetism Nonmagnetic, Top Read Top Read Window, Accuracy - Inverted Not Applicable, Vial Material Acrylic, Color Orange, Mounting Orientation Horizontal