Bosch GLL 3-15 X Professional Line Laser


In stock



  • Maximum precision thanks to the Bosch Pendulum Precision System
  • Projection of a vertical and a horizontal line
  • Detachable, 360° rotating platform with bubble vial and fine adjustment
  • Compact design makes handling simple
  • Accuracy and long-range measuring – provides accuracy up to ± 0.2 mm/m and measures up to 15 m distance
  • Jobsite tough – withstands rainy or dusty job site conditions, and is IP54 rated
  • USES: The measuring tool is intended for indoor use on levelling jobs with the use of horizontal lines, vertical lines and the plumb point.


The Bosch GLL 3-15 X self-levelling three-line laser can help with alignment, levelling and squaring needs. It is suitable for various interior projects for tasks such as mounting shelves or windows and installing drainage pipes or wall tiles. A second vertical laser line also makes it ideal for quick squaring.

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 0.720 kg
Dimensions 122 × 83 × 129 mm

Line Laser



Model Number:

GLL 3-15 X

Laser Diode:

635 – 650 nm

Laser Class:


Measurement Range:

15 m

Measurement Accuracy, Typical:

± 0.2 mm/m

Storage Temperature:

-20 – 70 °C

Working Range of Laser Points, Max.:

5 m (bottom)

Self-Levelling Range

± 3°

Levelling Time:

4 sec

Tripod Thread:


Colour of Laser Line:



3 lines + 1 plumb point

Dust and Splash Protection:

IP 54 ( dust and splash-proof)

Operating Temperature:

-10 to 45°C

Power Source:

Battery – Lithium-ion

Power Supply:

4 x 1.5 V LR6 (AA)

Battery Lifetime, Operating Time:

Approx. 24 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 3-15 X Professional Line Laser
• Protective Bag
• Tripod adapter
• 4 x 1.5 V LR6 battery (AA)

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