Description The 24" Magnetic Box Beam Level is an ideal to have for a variety of professions. The level features a large cross section, block vials, magnified center vial, robust metal + over-mold end caps, die-cast center vial holder and a bridged center vial.Large cross section for 5x stronger levelBlock vials for best durability and accuracy to 0.0005"/inMagnified center vial maximizes vial readability