Spectra GL412 Single Slope Grade Laser withCR600 Receiver
RC402 2-way, radio remote control. GL412 and GL422 Grade Lasers Datasheet. Versatile Automatic Grade Lasers for Level, Grade and Vertical Alignment. Simplifies level, grade, and vertical alignment setups, the Spectra Precision GL412N Grade Laser delivers reliable and accurate. Performance in various general construction applications. With a working range of up to 2,600 feet, it has