Screeding Level Number of 30 Vials 0 Number of 45 Vials 0 Number of Level Vials 1 Number of Plumb Vials 1 Top Read Top Read Window Vial Illumination None Vial Material Acrylic Vial Shape Block Features Base Aluminum 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 +/-0.5 mm/m Frame Material Aluminum Overall Length 78 in Overall Width 3/4 in Magnetic Nonmagnetic