The three 90 degree beams emit simultaneous level
999 feet or inches without resetting
It does quick and accurate complex construction-math calculations with built-in functions for weight
It is used to hold the laser detector in place while attached to the special rail slide of GR1000 and GR1450 Direct Reading Grade Rods
The device features a horizontal self-leveling laser
2,000' Range Manual Self-Leveling Rotary Laser Construction Tools The three 90 degree beamsThe Johnson 99 027K Self Leveling Rotary Laser has an exterior range of 2,000 feet working diameter over 72 acres. It is the ideal rotary for flatwork, large excavations and long fence lines, aligning posts, and leveling piers. It can also be used indoors for laying out walls, wainscoting, drop ceilings, and more. With only just one person operating this laser, it includes everything to grade or level your job site. It is self leveling which makes it