L-741 Ultra-Precision Leveling Laser with Plumb Beam
Continuously rotating diode laser with 100 ft (30.5 m) radius operating range. Set up in as little as 10 minutes. Laser plane flat to 0.5 arc second (.00003 in/ft or 0.0025 mm/m). Plumb laser square to auto-rotating laser plane to within 1 arc second (.00006 in/ft or 0.005 mm/m) and can be projected out 100 ft (30.5 m).