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Versatile Automatic Grade Lasers for Level, Grade and Vertical Alignment
 The Spectra Precision® Laser GL412 and GL422 Grade Lasers
are cost-effective, automatic self-leveling lasers that do three
jobs—level, grade and vertical alignment with plumb. Both lasers
feature a 2-way, full-function remote control so you can make
grade changes from anywhere on the jobsite for reduced setup
time and faster operation.
The GL412 (single grade) and GL422 (dual grade) lasers send a continuous, self-leveled 360-degree laser reference over your entire work area, and have a wide grade range so they can be used in a variety of slope applications.
 Applications
- Leveling concrete forms and footers
- General construction vertical alignment and
plumb such as anchor bolt and form alignment
- Grading and excavating
- Concrete sections with runoff for sports
fields, tennis courts and driveways
- Steep slope road embankments and ditch banks
- Parking garages, ramps and drainage
Features
- Fast, easy horizontal level, grade and vertical
plumb setup with no manual leveling
- Easy setups with the 2-way, full-function
radio remote control and single and dual grade application
capability offer quick payback
- Automatic temperature and grade compensation
eliminates rework
- Very long operating range of 800 m (2,600
ft) for GL422 increases machine control capability and reduces
setups over the jobsite.
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