Versatile Automatic Grade Lasers for Level, Grade and Vertical Alignment

The automatic, self-leveling Spectra Precision® GL422N dual grade lasers are the most rugged, cost-effective lasers that do three jobs—level, grade, and vertical alignment. Even in harsh jobsite conditions, the GL412N/GL422N delivers consistently reliable and accurate performance, enabling you to work faster and smarter.

The rugged GL412N/GL422N lasers can withstand drops of up to 1 meter (3 feet) onto concrete and tripod tipovers up to 1.5 meters (5 feet). This strength, combined with full weatherproofing and dustproofing, reduces downtime and lowers repair costs over the life of the product.

Each GL412N and GL422N laser system now includes the advanced HL760 Digital Readout (DRO) receiver that provides automatic Grade Match - measures and displays the existing grade over unknown ground and eliminates time consuming and error prone calculations, and PlaneLok - automatically locks on to an existing elevation or vertical alignment point which eliminates all drift or possibility of error due to improper calibration or weather, and the unique "Fingerprint" function - receiver only accepts the beam from the laser it is paired with.

2-Way full fuction remote control allows grade changes to be made from anywhere on the job-site and has mask mode to eliminate interference from other crews running lasers on the job-site.

Spectra Laser Receiver Model No. HL760

The Spectra Precision Laser HL760 Laserometer digital readout of elevation and fingerprint functionality, the Spectra Precision HL760 provides fast grade checking and accurate laser readings. Advanced functions of the HL760 include grade matching and PlaneLok capabilities.

RC402N for total remote control

Program the exact percent of grade from .001% to 9.999%

GL422N Includes:

  • HL760 Radio Transceiver Receiver w/Plainlock
  • RC402N Remote Control
  • NiMH Batteries
  • 110v Battery Charger
  • Jobsite tough carrying case


View Our Complete Line of Spectra Grade & Pipe Laser Levels

Combined Shipping
We offer combined shipping on all our items. Shipping is combined based on the total weight of your order. To get combined shipping add all the items that you are interested in to your shopping cart and than click  Request total from seller. 

Very Important: Please DO NOT pay for your order until the invoice is combined. If you pay for each item individually the orders will ship individually and will not be eligible for combined shipping.

International Customers: Please be aware of what your customs fees will be for your country before ordering. These fees are your responsibility and will have to be paid before your order will be released to you. 

First Class Mail International: shipping is the least inexpensive international shipping available, but keep in mind that in most cases orders do arrive within 20 business days, but some countries can take up to 90 business days to arrive. First Class Mail International tracking is limited to some countries and will not show no more once the order leaves the USPS facility in Chicago.

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