Line Lasers

GLL100-42GL Professional

Line Lasers

3.7V Green-Beam Self-Leveling Cross-Line Laser with Li-Ion Battery

  • Power flexibility – works with included rechargeable 3.7V Li-Ion 3.0 Ah battery or AA batteries (not included) for less downtime on the job
  • Jobsite tough construction – IP65 rated for dust-tight and water-resistant durability in tough jobsite conditions
  • USB-C charging cord – for quick charging, even while in use
  • Built-in VisiMax™ technology – monitors power consumption to maximize line visibility and extend battery life
  • Bright green-beam laser – projects up to 4X brighter than standard red beams
  • Outstanding runtime – delivers 8 hours of operation (when using Li-Ion battery) for all-day power
  • U-shaped laser outlet window – for wider horizontal laser line reach
  • Bright, thin lines – with 100 Ft. range that level within 1/8 In. accuracy at 30 Ft. distance
  • Smart Pendulum System – self-levels, indicates out-of-level condition and locks when switched off for secure transport
  • Magnetic L-bracket – with strong magnets for versatile positioning
  • ¼ In. threading mount – for secure tripod attachment
  • Full rubber overmold housing – helps protect every major impact point, with a design similar to a roll cage
  • Rubber grip base – provides stable operation and grip in challenging work environments
  • 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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Functions & key features

Self-levels, indicates out of level condition by blinking and locks when switched off for secure transport.
Fast charging.
Working range of up to 100 Ft (30 m).
IP 65 - Dust tight and protected against water jets from any direction.​
Power flexibility - works with Bosch's 3.7V Lithium-Ion 3.0 Ah battery or four AA batteries.

GLL100-42GL Professional

Technical data

The most important data

Connected No
Height in 4.75 "
IP Rating IP 65
Laser Beam Color Green
Laser Diode <10 mW @ 500 nm -540 nm, Class 2
Length in 13.5 "
Leveling Type Self-Leveling, Up to 4°
Material Plastic with over-mold
Mount Threading 1/4-20
Operating Temperature 14° F / -10° C up to 113° F / 45° C
Range Up to 100-ft.
Weight 4.3 lb
Width in 11 "
Includes (1) GLL100-42GL 3.7V Green-Beam Self-Leveling Cross-Line Laser
(1) GBA37V30 3.7V Lithium-Ion 3.0 Ah Battery
(1) Alkaline Battery Adapter
(1) Magnetic L-Bracket Mount
(1) USB-C Charging Cord
(1) Hard Carrying Case

GLL100-42GL Professional: Further information

Product Highlights

The Bosch GLL100-42GL 3.7V Green-Beam Self-Leveling Cross-Line Laser pairs remarkable power flexibility with green-beam technology to emit lines up to 4X brighter than standard red beams. Use with the included rechargeable 3.7V Li-Ion 3.0 Ah battery or AA batteries (sold separately) for enhanced versatility and longer runtime on the job. The included USB-C cord even provides the option to charge the tool while in use for greater flexibility and efficiency. Built-in VisiMax™ technology monitors temperature and power consumption to deliver the brightest line for the job, optimize energy efficiency and provide long-term tool reliability. Full rubber overmold housing helps protect the level at every major impact point. IP65-rated, the laser can withstand tough, rainy conditions and is dust-tight for enhanced protection. The U-shaped laser outlet window provides a wider horizontal reach of the laser line. With a working range of up to 100 Ft., the bright, thin lines provide an accuracy of 1/8 In. at 30 Ft. Equipped with a Smart Pendulum System, the tool self-levels, will indicate any out-of-level condition, and then locks when switched off for secure transport. Keep a handle on the laser with the rubber grip base and easily position using the strong magnets or ¼ In. threading mount. Complete with an outstanding operating time of 8 hours (using a Li-Ion battery), for all-day power and productivity.

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