Spirit-Level 48" Pro Aluminum

Rugged extruded aluminum frame, black annodized for long life, with precision machined edges for greater accuracy and shock-protecting plastic end-caps. Yellow barrel vials fit into precision-stamped cutouts and are held in place by Quick-Change ABS plastic vial covers with screwed-in clear acrylic lenses for easy access and replacement. Level vial features large top-read window and magnified lens. 1''x 2-1/4'' frame. *I-BEAM - CLOSED-END *TOP READ *3 Vials - 1 Level/2 Plumb *Lgth. Ins.=48