24" POLYCAST LEVEL #330-24 | Empire POLYCAST I-Beam Level, Vial Type: Top Read, Number of Vials: 3, Vial Material: Acrylic, Vial Positions: Level, Plumb, Accuracy: 0.001 in, Number of Hang Holes: 1, Magnetic/Nonmagnetic: Non-Magnetic, Polycast, Blue, 24 in L, 2.312 in W, 1 in H