Box Level, Number of 30 Vials 0, Number of 45 Vials 0, Number of Level Vials 1, Number of Plumb Vials 2, Top Read Top Read Window, Vial Illumination None, Vial Material Acrylic, Vial Shape Block, Features Epoxy Coated Finish, End Cap Type Permanent End Caps, Number of Hand Grips 2, Number of V-Grooves 0, Magnet Type Not Applicable, Number of Magnets 0, Accuracy - Standard 0.0003 in/in, Frame Material Aluminum, Overall Length 48 in, Overall Width 1 in, Magnetic Nonmagnetic.