I-Beam Level, Number of 30 Vials 0, Number of 45 Vials 1, Number of Level Vials 1, Number of Plumb Vials 1, Top Read Top Read Window, Vial Illumination None, Vial Material Acrylic, Features Shock-Absorbing End Caps Hold Up to Heavy Use, Comfortable Hand Holes for Easy Handling, Number of Hand Grips 2, Number of V-Grooves 0, Magnet Type Not Applicable, Number of Magnets 0, Frame Material Aluminum, Overall Height 7/8 in, Overall Length 48 in, Overall Width 2 1/8 in, Magnetic Nonmagnetic