• Full-length recessed magnetic strip allows for hands-free use on ferrous metals • Sturdy, silver anodized, extruded aluminum I-beam frame with shock-absorbing, protective end-caps • Barrel vials fit into precision-stamped cutouts and are held in place by Quick-Change ABS plastic vial covers for easy replacement • Clear acrylic lenses protect vials • Rule screen-printed on one leveling surface, calibrated in 16ths on one edge and centimeters on the other • extruded aluminum I-beam frame with shock-absorbing protective end-caps • Barrel vials fit into precision-stamped cutouts and are held in place by Q uick-Change ABS plastic vial covers for easy replacement • Clear acrylic lenses protect vi • 3 Vials: 1/Level/2 Plumb • Lgth In=24