Bosch 18V Green Beam Horizontal Rotary Laser Kit Self Leveling Cordless Automatic Construction Site Level Transit Grading Tool GRL18V-31K
SKU: 40357914807

Bosch 18V Green Beam Horizontal Rotary Laser Kit Self Leveling Cordless Automatic Construction Site Level Transit Grading Tool GRL18V-31K

Sale price$449.55 Regular price$499.50
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Description

Bosch 18V Green Beam Horizontal Rotary Laser Kit Self Leveling Cordless Automatic Construction Site Level Transit Grading Tool GRL18V-31KDominate Outdoor Grading and Layout Tasks with High Visibility Green Beam Precision The Bosch GRL18V 31K 18V Green Beam Horizontal Rotary Laser Kit is a comprehensive, ultra precise site leveling solution built to withstand the harshest commercial contracting environments. Featuring an advanced green beam laser diode that projects a line up to four times brighter than standard red beams, this high performance transit level provides exceptional

Dominate Outdoor Grading and Layout Tasks with High-Visibility Green-Beam Precision

The Bosch GRL18V-31K 18V Green-Beam Horizontal Rotary Laser Kit is a comprehensive, ultra-precise site leveling solution built to withstand the harshest commercial contracting environments. Featuring an advanced green-beam laser diode that projects a line up to four times brighter than standard red beams, this high-performance transit level provides exceptional visibility across long distances, even under direct sunlight. Engineered specifically for massive outdoor grading, concrete formwork alignment, and excavation setups, this system features a streamlined, one-button user interface that eliminates complex menu tracking. Turn the tool on, and its smart internal systems handle the rest, enabling seamless automatic self-leveling so your crew can get to work immediately.

Engineered for maximum versatility on unpredictable terrain, this structural leveling tool features a wide ±15% self-leveling range that ensures rapid, error-free setup on uneven ground. Its heavy-duty composite framework is IP66-rated to be completely dust-tight and resistant to high-pressure water jets, and it has been officially drop-tested to survive a 5-foot tripod tip-over shock. To prevent costly downtime on remote jobs, the laser boasts a flexible dual-source power system, allowing it to run continuously on the included universal AMPShare 18V Lithium-Ion battery pack or standard C alkaline batteries using the provided adapter sleeve. Complete with a heavy-duty tripod, a telescoping grade rod, and a robust laser receiver, this kit provides a 1,000-foot working range with an accuracy of up to ±1/16-inch at 100 feet.

Key Features

  • Ultra-Bright Green Laser Diode: Delivers exceptional visibility that is up to 4X brighter than classic red lasers, optimizing performance for long-range outdoor layouts.
  • Rapid One-Button Interface: Simplified singular button design streamlines setup and operation while full automatic self-leveling eliminates manual calibration errors.
  • Dual Power Flexibility Architecture: Operates seamlessly using the included 18V 4.0Ah battery pack or conventional C alkaline cells for flexible power management.
  • IP66 Environmental Rating: Heavy-duty dust-tight construction shields delicate internal optics from harsh windborne site dust and powerful rain or water splashes.
  • Massive 1,000-Foot Operational Range: Provides dead-on reliability across vast distances with a tight structural accuracy of up to ±1/16 in. at 100 ft.
  • AMPShare Battery Compatibility: Part of a cross-brand cordless ecosystem, the included battery works across an expansive array of professional power tools.

What's Included

  • (1) GRL18V-3-31G Horizontal Green-Beam Rotary Laser
  • (1) EXBA18V-40 18V 4.0Ah Lithium-Ion Battery
  • (1) GAL18V-40 Fast Battery Charger
  • (1) BA18-C Alkaline Battery Adapter Sleeve
  • (1) LR20 Heavy-Duty Laser Receiver
  • (1) BT170HD Heavy-Duty Aluminum Building Tripod
  • (1) GR8 Aluminum Telescoping Grade Rod
  • (1) Impact-Resistant Plastic Molded Carrying Case

Specifications

Product Parameter Technical Details
Brand Name Bosch
Leveling Type Automatic Self-Leveling (Up to 5°)
Laser Beam Color Green High-Visibility
Working Range (Diameter) Up to 1,000 ft
Horizontal Accuracy ±1/16 in at 100 ft
Self-Leveling Alignment Range ±15%
Environmental Protection Rating IP66 (Dust-Tight & Water-Resistant)
Laser Diode Class Class 2 (500 - 540 nm)
Mount Threading Base 5/8 in - 11 UNC
Assembled Tool Length 40.0 in
Assembled Tool Width 10.0 in
Assembled Tool Height 23.0 in
Shipping System Weight 39.0 lbs
Operating Temperature Limits 14°F to 122°F
MFG Part # (OEM) GRL18V-31K


Pro-Tip: Before beginning a long grading run, clear any direct optical obstructions within a 5-foot radius of the tripod stand. Because green-beam lasers operate with incredible light intensity, keeping the immediate path free of thick dust blankets or hanging foliage stops the light plane from scattering prematurely, preserving maximum signal clarity across your full 1,000-foot work site perimeter.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 40357914807

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Berthav
West Palm Beach, US
★★★★★ 5
Quality
Color: Black, Size: 7 Years, Color: Black, Size: 7 Years
Excellent quality, My son looks incredible
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
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Lady Wescott
Los Angeles, US
★★★★★ 4
Sharp Looking Kids Suit With One Missing Piece
Color: Navy, Size: 7 Years, Color: Navy, Size: 7 Years
I ordered this suit for my 6yo son in a size 7 so he would have a little room to grow and get more wear out of it, and sizing is perfect. He did not need it for any specific occasion, he just wanted a suit because apparently kindergarteners sometimes wake up and decide they are businessmen now. Let me start with the positives because there are a lot of them. This is a very well made suit. The jacket, pants, and dress shirt are all surprisingly nice quality. The fabric does not feel cheap or flimsy at all. The jacket has good structure, the buttons are well attached, the seams are clean, and all the little details like the collar and pockets look great. It honestly looks like a proper little formal suit. The pants are nicely made as well and pair perfectly with the jacket. The white dress shirt underneath is also good quality and completes the whole look. Overall, it is a really sharp outfit and would absolutely work for special occasions like weddings, recitals, formal events, church, or family photos. Now for the reason I am deducting one star. The listing specifically shows and mentions that this set includes a bow tie. That was actually the main reason I chose this particular suit over others. Some options only had a standard tie or no tie at all, but my son specifically wanted a bow tie. Unfortunately, the bow tie was not included with mine. That was definitely disappointing because it was one of the main selling points for me when choosing this set. Now I have to go find a separate bow tie that matches, which I was hoping to avoid. That said, I do want to be clear that this issue does not take away from the actual quality of the suit itself. The suit is genuinely very well made and looks fantastic on him. If your child needs a suit for a wedding, formal event, recital, or something similar, this would absolutely work. My son mostly just wanted a suit because he thinks it is cool, so now he has one and can show up to school looking like the smallest CEO in kindergarten. Overall, this is a very nice quality suit set. I just wish the bow tie that was advertised had actually been included.
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Reviewed in the United States on March 10, 2026
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Liz
Massapequa, US
★★★★★ 5
Good for the price
Color: Black, Size: 10 Years
Great suit for the price and it includes the shirt which It was a great surprise
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Reviewed in the United States on May 27, 2026
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Vicki Fontana
Louisville, US
★★★★★ 5
One size smaller is perfect!
Color: Navy, Size: 10 Years
This suit fit perfect but I did order one size smaller than my grandson normally wears. It is very well made and he can't wait to wear it in the wedding.
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Reviewed in the United States on March 19, 2026
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Laurie Rygiel
Fort Morgan, US
★★★★★ 5
Suit
Color: Beige, Size: 10 Years
Our grandson looked so handsome!
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Reviewed in the United States on May 6, 2026

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