Bosch GLL 2-20 Professional Line Laser


Out of stock



  • Self-levelling pendulum system – locks during transport
  • Multi-purpose positioning device for versatile use
  • BM 3 mount with ratchet clip for ceilings enables multiple tool applications
  • Clearly visible 360° laser lines, ideal for indoor use
  • High Accuracy - providing an accuracy of ± 0.4 mm/m and measures up to 20 m distance
  • USES: The measuring tool is intended for indoor use on levelling jobs with the use of horizontal lines and vertical lines.

Out of stock


The Bosch GLL 2-20 is the ideal 360° line laser for indoor use. The GLL 2-20 has four-mode functionality, including single vertical, single horizontal, horizontal/vertical combination and lock/manual modes.

The 360° coverage gives the user one setup point for an entire room. The Smart Pendulum System features a self-levelling function and indication for an out-of-level condition. Pendulum lock protects the unit for safe transport to the job site. The BM3 positioning device easily holds the laser and attaches to objects for precise positioning.

BOSCH Professional Tools & Accessories

Bosch Professional Power Tools have been developed with speed, reliability and flawless execution in mind to help users complete the most arduous tasks professionally. It provides a complete solution for every project by having the needed accessories, a mobility system for transportation and storage, service offers and mobile solutions for your smartphone.

Users are assured of full control with this value proposition and results that would exceed customers’ expectations.

BOSCH Calibration Service   

Bosch calibration service ensures extremely high levels of precision in your measuring tools are maintained. Anyone who uses construction laser and levels has to be sure that they function reliably and that they meet the required standards. For this reason, we recommend an annual inspection of your instruments by the Bosch calibration service – which is fast, precise and reliable.

Bosch service centre with its highly qualified personnel and quick lead times is available to you whenever you need it. The calibrations meet the requirements of ISO 9 001(Control of inspection, measuring and test equipment). You will receive a certificate including documentation of all measured values.


Your Calibration Service

  • Instrument is cleaned
  • Measuring accuracy is inspected
  • If necessary: instrument is adjusted
  • Calibration certificate
  • Instrument is returned within 5 working days

Additional information

Weight 0.500 kg
Dimensions 125 × 85 × 70 mm

Line Laser



Model Number:

GLL 2-20

Laser Diode:

635 nm, < 1 mW

Laser Class:


Measurement Range:

20 m

Levelling Accuracy:

± 0.4 mm/m

Operating Temperature:

5 – 40 °C

Storage Temperature:

-20 – 70 °C

Working Range without Receiver:

up to ± 20 m

Self-Levelling Range

± 4°

Levelling Time:

4 sec

Tripod Thread:


Colour of Laser Line:


Dust and Splash Protection:

IP 54 ( dust and splash-proof)

Power Source:

Battery – Lithium-ion

Power Supply:

4 x 1.5 V LR6 (AA)

Battery Lifetime, Operating Time:

Approx. 12 hrs




• For marking, always use only the centre of the laser point or the laser line; laser point & laser linewidth change with distance
• Laser Viewing Glasses (Accessory); filter out the ambient light making the red light of the laser appear brighter for the eyes
• Working with the Tripod (Accessory); offers a stable, height-adjustable support surface for measuring.
• Working with the Measuring Plate (Accessory); it is possible to project the laser mark onto the floor or the laser height onto a wall. It enhances the visibility of the laser beam at greater distances or in intense sunlight.

Warranty & Support:

1-year warranty

What’s Included in the Package:

• 1 Unit Bosch GLL 2-20 Professional Line Laser
• Wall mount BM 3 Professional (0 601 015 D00)
• Carrying Case
• Laser Target Plate
• 4 x 1.5 V LR6 battery (AA)


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