Line Lasers

GLL40-20G Professional

Line Lasers

Green-Beam Self-Leveling Cross-Line Laser

  • Compact 40 Ft. cross-line laser design – features green beams for visibility, plus self-leveling technology and VisiMax™
  • VisiMax™ technology – delivers maximum beam brightness, optimized energy efficiency and long-term tool reliability
  • Bright green-beam laser lines — up to 2X brighter than standard red beams
  • Cross-line mode – projects two bright lines that are precisely level and plumb, for a wide array of leveling and alignment applications
  • MM 2 Flexible Mounting Device – clamps to multiple surfaces and provides a rotating 360° neck for quick setup and simple fine-tuning
  • Smart Pendulum System – self-levels and indicates out-of-level condition
  • Secure transport – pendulum locks when switched off to help ensure long tool life
  • Ergonomic, compact and lightweight – easy to use and easy to store
  • Features 1/4 In.-20 In. tripod thread – for use with MM 2 mount or tripod
  • Bosch measuring and layout tools are covered by a one year limited warranty with an additional year when you register your tool within eight weeks of purchase - for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
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GLL40-20G Professional

GLL40-20G Professional

Your Selection

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Order number: 0601063V11

Technical data

The most important data

Connected No
Height in 3.2 "
IP Rating IP 40
Laser Beam Color Green
Laser Diode Class 2, 500-540 nm
Length in 3.2 "
Leveling Type Self-Leveling, Up to 4°
Material Plastic composite
Mount Threading 1/4-20
Operating Temperature 41° F / 5° C ~ 104° F / 40° C
Range Up to 40-ft.
Weight 0.5 lb
Width in 2.3 "
Works With Tripods, BT 150, Telescoping Pole System, BP350, Grade Rods, GR 16, GR500, Mounts and Positioning Devices, BM 1, BM3, LB10, MM 2
Includes (1) GLL40-20G Green-Beam Self-Leveling Cross-Line Laser
(1) MM 2 Flexible Mounting Device
(2) AA Batteries
(1) Pouch

GLL40-20G Professional: Further information

Product Highlights

The Bosch GLL40-20G Self-Leveling Cross-Line Laser projects visible green laser lines, which are up to 2X brighter than standard red beams. The tool has a working range of up to 40 Ft. and offers reliable accuracy of +5/16 in. at 30 Ft. It features Bosch-exclusive VisiMax™ technology, which monitors tool temperature and power consumption to deliver the brightest line for the job, optimized energy efficiency and long-term tool reliability. The cross-line laser is also equipped with a Smart Pendulum System allowing for automatic self-leveling and indication of out-of-level condition, as well as pendulum lock for safe tool transport. The included MM 2 Flexible Mounting Device provides a rotating 360° neck for quick setup and simple fine-tuning allowing for the laser to be clamped onto virtually any surface from 1/2 In. to 2-1/4 In. thick.