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Johnson

Johnson Level & Tool 40-6184 Magnetic Torpedo Laser Level, Silver & Black, 1 Laser Level

  • Based on 723 reviews
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Pattern Name: Laser Level


Features

  • ACCURATE LEVELING: This Johnson Torpedo Level is designed for easy use even in tight spaces. The laser offers a high accuracy level of 1/8" per 50' for error-free leveling; reading and guiding.
  • SMART READING: The Magnetic leveling laser features four vials that read plumb; level; 45-deg. angle and cross-check; while the laser projects a beam of up to 100 ft. Three 90-deg. beams emit simultaneous level; plumb and square reference points.
  • DURABLE CONSTRUCTION: The torpedo manual level has a machined and anodized aluminum frame to ensure maximum durability on the harshest job sites. The precision-crafted aluminum laser offers superior accuracy.
  • VERSATILE DESIGN: With a smart design; this laser leveling tool has a strong magnetic base; tripod mount and a v-groove frame to make a versatile device. These features help the level fit on pipes and conduits stably.
  • PRODUCT SPECIFICATIONS: This Orange Magnetic Torpedo Laser Level works on 3 "AA" alkaline batteries (included) and offers an extensive battery life of up to 50 hours. It is equipped with a leveling base.
  • Laser Class Illa, Power output 5mW

Description

This magnetic torpedo laser level offers precision, versatility and durability with four vials that read plumb, level, 45° and cross check as well as three simultaneous 90° laser beams for level, plumb and square reference points. For versatility, the level comes equipped with a strong magnetic leveling base, tripod mount and V-groove frame that fits on pipe and conduit. And the precision crafted, anodized aluminum frame provides maximum accuracy and durability. The level also comes with a soft-sided carrying pouch to keep your tool clean and safe when not in use.

Brand: Johnson


Material: Aluminum


Color: Silver & Black


Product Dimensions: 3.12"L x 9.87"W


Style: Square,Laser,Magnetic


Brand: ‎Johnson


Material: ‎Aluminum


Color: ‎Silver & Black


Product Dimensions: ‎3.12"L x 9.87"W


Style: ‎Square,Laser,Magnetic


Item Weight: ‎9.07 g


Operation Mode: ‎Manual


UPC: ‎100076906944 049448061846


Global Trade Identification Number: ‎40, 46


Manufacturer: ‎Johnson Level & Tool


Part Number: ‎406184


Item Weight: ‎0.32 ounces


Country of Origin: ‎USA


Item model number: ‎406184


Is Discontinued By Manufacturer: ‎No


Size: ‎1


Pattern: ‎Laser Level


Power Source: ‎hand_powered


Item Package Quantity: ‎1


Special Features: ‎magnetic


Included Components: ‎40-6184 Includes > Laser, leveling base, 3 "AA" alkaline batteries, soft-sided carrying pouch


Batteries Included?: ‎Yes


Batteries Required?: ‎No


Warranty Description: ‎3 Year Warranty Johnson Level warrants this product against defects in material and workmanship for three years after the confirmed purchase date. At its option, the company will replace or repair the product if it fails under normal use.


Date First Available: August 17, 2005


Frequently asked questions

The Johnson Torpedo Laser Level has an impressive working range of up to 100 feet. However, it's important to note that this can vary depending on lighting conditions.

Yes, it does. It's equipped with a magnetic base that aids in hands-free operation, which is especially useful when working on steel and other metal surfaces.

The Johnson Torpedo Laser Level uses a Class IIIa laser. This laser is bright, razor-sharp, projects up to 100 feet, and can be easily seen in various lighting conditions.

This laser level is designed for durability and longevity. It has an aluminum body, which is both strong and lightweight, and it stands up well to regular handling, harsh working conditions, and accidental drops.

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Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.

The laser level is well received with many users finding it useful and robust in function. Despite some problems in the battery compartment and issue with the laser light being larger than expected, most purchasers were satisfied with the product's performance. A few users initially found the product's accuracy to be off, but after proper calibration, they came to appreciate its precision. Several users also noted the product's longevity.

Pros

  • 🔧 Robust and useful
  • 💪 Resistant, holding up well over time
  • 📏 Accurate with good calibration
  • 🚀 Performs well at various price points

Cons

  • 🔋 Challenges with the battery compartment
  • 🔬 Laser light size larger than expected
  • 📐 Calibration required for most accurate results

Should I Buy It?

In conclusion, if you're looking for a durable, reliable and accurate laser level and don't mind putting in the effort to calibrate for best results, this product is a good buy. It's a valuable tool with a proven track record of longevity, and while it comes with some minor design flaws, the overall performance is highly rated by users.

    • very accurate up to the 28' I used it at so far
Pattern Name: Laser Level
heavy duty and works like a charm. highly recommended
Reviewed in the United States on March 17, 2025 by Vinny
    • Great laser!
Pattern Name: Laser Level
Perfect for layout. Exactly what I needed.
Reviewed in the United States on November 16, 2024 by Derek & Brooke
    • One of the best tools in my toolbox
Pattern Name: Laser Level
The magnet on this thing is serious! The lasers make squaring pipe an easy one man job. The vails I have found unreliable tho. I’ve had 2 and neither have matched my Milwaukee or other Johnson levels that all match each other
Reviewed in the United States on November 4, 2023 by Patrick F.
    • Works great.
Pattern Name: Laser Level
1st one was faulty, they expedited a replacement. Works quite well (except) the dot is pretty big. Some workers liked that, I prefer a more precise beam. Also, the base takes some getting used to.
Reviewed in the United States on August 8, 2024 by Mary L.
    • Accurate enough for me
Pattern Name: Laser Level
I have learned the hard way that many measuring devices are not accurate enough to be useful for anything. My experience with levels has been no exception. My old laser torpedo level ceased operation and I needed a replacement. I chose the 40-6184 based on the fewer negative reviews and personal experience with my Johnson 24” beam level, which is accurate enough for my use. I purchased the level knowing there was a high probability I would return it. I was pleasantly surprised to find the horizontal accuracy acceptable. It is a 10” level and I had to place a .003” shim under one end to get the most accurate reading I could visually discern (flipping end to end). Projected to 10 ft that is about 1/32” error. Not perfect, but this is not a machine tool grade level. I am sure I introduce as much or more error in reading the level in a typical application. For the record, my 24” Johnson level needed .005” shimming. At 10 ft, that’s a bit under 1/32” error. The vertical level was off more than acceptable, but Johnson provides a calibration feature for it. I dialed it in to where I need it. Finally, I checked the y-axis laser accuracy relative to level. While the dot is larger than I would like to have, you just work to the center of it. I have an 8 ft surface flat to +/- .003”. The laser dot was spot on level over the 8 ft. I don’t have a reliable way to check the vertical and x-axis beam accuracy to the same confidence as the y-axis horizontal. I can’t speak to the durability and I agree with a previous review on the robustness of the laser switch. Its design quality does not match the overall craftsmanship of the level. Other than being heavy, I have no other complaints and recommend this level. Just check it for accuracy when you get it. There may be variation from batch to batch. If you don’t really need a laser, there are higher quality torpedo level options available in the same price range, but this was the best I could find in a laser torpedo level and I would have been willing to pay twice as much to get a better one. I give it 5 stars based on its performance relative to reasonable expectations for a laser level at this price point. ... show more
Reviewed in the United States on May 2, 2019 by chill4
    • Great product
Pattern Name: Laser Level
Multi directional laser is must have feature in a laser level, it’s made solid, works great, and extremely accurate from day one and believe I checked
Reviewed in the United States on February 28, 2024 by Chaunce
    • Love the hold power of the magnets
Pattern Name: Laser Level
Heavy n well made the lasers help with layout
Reviewed in the United States on February 5, 2025 by welderdude
    • Perfect little tool.
Pattern Name: Laser Level
This is the second one that we have ordered. The first one had a battery stuck in it. We couldn't get out to change other than that. This thing is great.
Reviewed in the United States on March 22, 2024 by Lee Ann

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