Box Level, Number of 30 Vials 0, Number of 45 Vials 0, Number of Level Vials 2, Number of Plumb Vials 2, Top Read Top Read Window, Vial Illumination None, Vial Material Acrylic, Vial Shape Block, Features Domed Level Vial, Glo-View(R) Technology, Removable GripTight(TM) End Caps, End Cap Type Removable End Caps, Number of V-Grooves 0, Magnet Type Not Applicable, Number of Magnets 0, Accuracy - Standard 0.4 mm/m, Frame Material Aluminum, Overall Length 78 in, Magnetic Nonmagnetic