I-Beam Level Number of 30 Vials 0 Number of 45 Vials 0 Number of Level Vials 2 Number of Plumb Vials 3 Top Read Top Read Window Vial Illumination None Vial Material Acrylic Vial Shape Barrel Features Ergonomic Cushioned Hand Grips End Cap Type Removable End Caps Number of V-Grooves 0 Magnet Type Not Applicable Number of Magnets 0 Accuracy - Standard 0.029 Degrees Frame Material Aluminum Overall Length 72 in Magnetic Nonmagnetic Vial Types Included Level Vials Plumb Vials