360 Degree Three-Plane Leveling and Alignment-Line Laser

Bosch Power Tools


The Bosch GLL 3-50 Three-Line Laser with Layout Beam produces one horizontal line, two vertical lines plus plumb down point - for level, align, plumb and square applications to help users swiftly measure the job with precision. The included a 360° rotational telescoping mounting base helps users effectively set right angles up to 33 Ft. without having to reset. The base has manual fine adjustment, which allows for easy setup and convenient viewing of the laser point on the floor. The Smart Pendulum System self-levels and indicates out-of-level condition. It offers an accuracy of 3/8 In. up to 100 Ft., and it has a pulse mode, for use with the optional LR2 laser receiver, to extend its range up to 165 Ft.




  • (1) - GLL 3-50
  • (1) - 360-deg Rotational Mounting Base
  • (1) - L-Boxx
  • (1) - Laser Target
  • (1) - Belt Pouch
  • (4) - AA Batteries




  • Level, align, square and plumb with one setup point with one horizontal and two vertical lines plus plumb down point
  • Smart pendulum leveling system self-levels and indicates out-of-level
  • 360° rotational mounting base manual fine adjustment for one-time setup
  • Pulse mode, for use with the optional LR2 laser receiver, to extend its range up to 165 Ft. distance
  • L-Boxx carrying case with inlay
  • Four AA batteries
  • Belt pouch
  • Laser target




Accuracy Up to ±3/8-in @ 100-ft
Battery 4 AA 1.5V Batteries
Battery Voltage (V) 1.5
Height 6.0"
Laser Diode Class II 635 nm, = 1 mW
Length 17.5"
Leveling Type Self-Leveling, Up to 4°
Material Plastic
Mount Threading 1/4-20
Operating Temperature 14° F / -10° C up to 104° F / 40° C
Range Up to 30-ft.
Range w/ Optional LR2 Receiver Up to 165 feet
Weight 5.0lb
Width 14.0"
Includes (1) - GLL 3-50, (1) - 360-deg Rotational Mounting Base, (1) - L-Boxx, (1) - Laser Target, (1) - Belt Pouch, (4) - AA Batteries

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