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Johnson

Johnson Level & Tool 40-0921 Self-Leveling Cross-Line Laser Kit, 19 x 10", Red, 1 Laser Level Kit

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Style: Cross-Line Laser Level Kit


Features

  • LASER LEVEL: This line laser self-levels and indicates out-of-level position with the help of the visual out of level indicator. If the system does not self-level; then that is alerted to you by flashing the beam.
  • PERFORMANCE: This cross-line laser can simultaneously project two clear; clean laser lines; one vertical and one horizontal. It has a 360 graded base that simplifies angle configuration and improves performance.
  • APPLICATIONS: This self-leveling laser level is a versatile tool that comes in handy for various leveling projects including hanging shelving and pictures; tiling walls; leveling cabinets; finish work and more.
  • BATTERY LIFE: The cross line laser tool works on 3 AAA alkaline batteries. It is capable of running or working for approximately 12 hours continuously. Hence; all the leveling projects can be carried out with much ease and an accuracy of +/-1/4"/35' (+/-0.6 mm/m).
  • PRODUCT SPECIFICATIONS: This red cross line level has a self-leveling range of +/- 6 degrees. It has an interior range up to 100 ft. depending upon light conditions. The level measures 19" x 10"

Description

Cross-line laser levels offer the highest value of any type of laser: they're extremely versatile, easy to use and inexpensive. Johnson's self-leveling cross-line laser projects two crisp, clean laser lines simultaneously - one vertical and one horizontal. Its 360° graduated base makes angle layout a snap, and its locking mechanism protects the inner pendulum during transportation. Thanks to the laser's visual out of level indicator, you'll never need to worry about accuracy - if the laser can’t self-level, it will alert you by flashing the beam. This kit is all you'll need to get your laser leveling project started. The elevating tripod attaches quickly and easily to the laser for hands-free use, and the tinted laser glasses enhance beam visibility on the jobsite. And the hard-shell carrying case protects your equipment when not in use. Establish perfect horizontal and vertical planes with ease using the 40-0921 self-leveling cross-line laser level kit from Johnson Level. Handy for tackling a variety of building projects--such as installing kitchen cabinets or putting up a chair rail--this tool emits a cross-line beam and self-levels for optimal accuracy. It can be used indoors or outdoors and has an indoor range of 100 feet.40-0921 Self-Leveling Cross Line Laser Level Kit At a Glance: Projects horizontal and vertical lines simultaneously Self-levels to within plus or minus 6 degrees Interior range of up to 100 feet Backed by a three-year limited warrantyView Larger Use the 40-0921 to tackle a variety of projects--from installing tile to putting in cabinets Ideal for Installing Cabinets, Floors, Chair Rails, and More Made by Johnson Level, the 40-0921 self-leveling cross-line laser level kit is useful for a variety of building projects that require horizontal or vertical leveling--whether you're installing a chair rail, putting in kitchen cabinets, adding drop-ceilings, or framing a room. Line laser levels like the 40-0921 are used by contractors, electricians, glaziers, finish carpenters, and other professionals. Cross-Line Laser for Greater Versatility With the 40-0921 line laser level, you can often complete projects more quickly and with fewer people than you could using a traditional level. This 40-0921 projects a cross-line beam that consists of a vertical line and a horizontal line, enabling you to establish a vertical or horizontal plane. A 360-degree graduated base allows for angle layouts. Self-Levels for Increased Accuracy Unlike bubble and spirit levels, whose accuracy depends on the people holding them, the 40-0921 line laser level self-levels automatically to within plus or minus 6 degrees. Consequently, as long as your level is calibrated correctly, you can tackle building projects with confidence and achieve error-free results. A visual indicator lets you know when the device is out of level.Product Information The 40-0921 line laser level is suitable for indoor or outdoor use and has an interior range of up to 100 feet, depending on the light conditions. It can be operated continuously for up to approximately 12 hours on one set of batteries. A locking mechanism protects the inner pendulum when the level is being carried. The level measures 5 by 4 by 3.5 inches (H x W x D) and weighs 1.2 pounds.About Johnson Level Johnson Level & Tool Manufacturing Company is a leading manufacturer and marketer of professional- quality spirit levels, laser levels, and other construction measuring tools. Johnson Level employs patented and proprietary technologies to develop highly accurate and durable layout tools, leveling tools, squares, measuring tools, and marking tools for construction projects on the jobsite. The company's global customer base includes contractor supply outlets, hardware distributors, and major retail chains. Johnson Level is headquartered in Mequon, Wisconsin.What's in the Box One line laser level, one pair of tinted glasses, one elevating tripod, one instruction manual with a warranty card, and one hard-shell carrying case.

Brand: Johnson


Material: Metal


Color: Red


Product Dimensions: 19"L


Style: Cross-Line Laser Level Kit


Brand: ‎Johnson


Material: ‎Metal


Color: ‎Red


Product Dimensions: ‎19"L


Style: ‎Cross-Line Laser Level Kit


Item Weight: ‎5 Pounds


Operation Mode: ‎Automatic


UPC: ‎732454246269 049448939206 767753036679 049448009213


Global Trade Identification Number: ‎13


Manufacturer: ‎Johnson Level & Tool


Part Number: ‎400920


Item Weight: ‎5 pounds


Country of Origin: ‎China


Item model number: ‎400921


Is Discontinued By Manufacturer: ‎No


Size: ‎L


Power Source: ‎Battery Powered


Item Package Quantity: ‎1


Special Features: ‎self-leveling


Usage: ‎Outside; Professional


Batteries Included?: ‎Yes


Batteries Required?: ‎Yes


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: February 10, 2010


Frequently asked questions

The self-leveling feature of the Johnson Cross-Line Laser Kit works using internal pendulums that automatically level the laser line. This ensures accuracy in your leveling tasks, even if the tool is slightly tilted.

The Johnson Cross-Line Laser Kit includes one self-leveling cross-line laser, a tripod, enhancing glasses, a hard carrying case for safe transport and easy storage, and an instruction manual.

The Johnson Cross-Line Laser has a 100-foot range indoors. This makes it ideal for most interior applications, such as installing cabinets, tiles, or dropping ceiling. However, the visibility might be reduced outdoors or in bright light conditions.

The laser color of the Johnson Level & Tool 40-0921 model is red. This color is quite visible for indoor use. However, for outdoor use or bright light conditions, a laser detector may be required.

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Top Amazon Reviews

🚀 Abunda's Overview

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

This Laser Level Kit is greatly valued for its excellent build quality, self-leveling features, ability to show both horizontal and vertical lines, and long battery life. However, the kit has noted drawbacks such as having an incredibly lightweight and short tripod, limited outdoor utility due to laser visibility, and high sensitivity to vibration.

Pros

  • 🎯 Great price-point
  • 💪 Good build quality of the level itself
  • 🧭 Displays both vertical and horizontal lines
  • 💡 One of the brightest non-professional laser levels available
  • 🔋 Good battery longevity using 3-AA batteries

Cons

  • 😰 Tripod is very light-weight and short
  • 🚧 Suitable for indoor use only due to laser visibility outdoors
  • 🎚️ Unit can only be used in flat, horizontal position
  • 👀 Laser can potentially harm eyes, it's not a Class I (eye-safe) device
  • 🏃‍♂️ Highly sensitive to vibration

Should I Buy It?

If you're looking for an affordable, indoor laser level kit with reasonable build quality and features, this could be a good purchase. However, if you need to use it outdoors or for professional-level work, its shortcomings including weak tripod and sensitivity to vibration might be a deal-breaker.

    • I Got This—Here's How It Worked for Me
Style: Cross-Line Laser Level Kit
Really handy tool! The laser lines are bright and accurate, and setup is quick. Makes hanging stuff way easier. Self-leveling works great. Comes with a tripod and case—nice bonus. Totally worth it for DIY projects!
Reviewed in the United States on April 30, 2025 by Home Comfort and Love
    • WoW very nice
Style: Cross-Line Laser Level Kit
This is a quality tool, it has worked flawlessly for me. I have used other company similar product and it works as well , except ! this one came with a nice carry case a tripod which goes up to 4 ft., batteries, safety glasses, and the case has a holder for 4 batteries so I can carry an extra set all for $30 less. In addition to being like the other cross beam level that I used this one swivels on it's base which came in very handy. The job I just used it on was a pantry with slide out drawers, it was necessary to be able to mount the drawer slide exact and level on each side. 7 drawers each one was exact level front and back side to side. Set the tool on the ground marked the first lay out with a pencil installed the shelves and the slides measured up and put the level on it's tripod marked the next one and so on. There is a little crank handle which raises the mount for the laser head up about 1 foot the legs also extend in 2 parts each a foot at a time. When it was done the customer, my helper and my self were in awe of how beautiful the maple drawers looked and operated. one little push and they slid in till the hit the self closers and pulled in flush and even. The slides were very nice and helped but the installation was so precise that no adjustment was needed on the slide just set the drawers on the slides and locked them and job done. When I looked at the name Johnson level I thought it familiar, my 6' level and my sheet rock square are both Johnson and they must be at least 20 years old . Hopefully this product will have the same longevity. ... show more
Reviewed in the United States on September 4, 2013 by Gruh6
    • Better Than Most, but Some Drawbacks
Style: Cross-Line Laser Level Kit
I purchased this unit only from Amazon. At the time, the unit was on sale and I saved an extra $20. This was a factor in my decision making. It was the cheapest laser level I could find that appeared to suit my needs, met a reasonable price point, and was available on short notice (Amazon Prime). Overall, I quite like this unit. It worked well for my needs. I used to own another, similar device that I paid >$300 for a number of years ago. This unit - while not as robust - is doing a decent job of replacing my old unit. What I like the most is it displays both horizontal and vertical lines, whereas my old unit only did horizontal. Bear in mind this is a light-duty, consumer-grade device. The laser level head itself seems very well constructed for this price point and target market. I have knocked the unit over a couple of times (with it on its tripod), and it has survived a 5' drop onto a wood floor. No perceptible damage or impact, which is good. If you are going to use this in a construction environment, it needs to be able to handle some scuffs here and there. So, from a build-quality to price-point view of the laser level itself, I'd give it 5-stars. The tripod OTOH is very flimsy and I plan to dig up my old pro-camera tripod that is decades old and use it instead. The tripod that comes with this unit should be considered only if you don't have a "real" tripod to use. It's a throw-away item IMHO. Thin, cheap aluminum. There are two big issues with the tripod from my perspective: a) it's too light weight, which means it's easy for it to be moved by accident, easily knocked over, and very susceptible to vibration; and b) it's too short. For example, I wanted to use this level to align a soffit in a room under construction, but was unable to utilize it for that particular task because there was no reasonable method of getting the level set to the necessary height (~8' off the floor). Caveat emptor if like me you are considering purchasing this for construction work. Though that said, I really like this laser level, so don't let that turn you off completely. Here's my comprehensive list of 'pros' and 'cons' to help you whether this product will suit your needs before you make a purchase: Pros: 1. Great price-point 2. Build quality of the level itself is good 3. Manufacturer claims self-leveling within 6° (all axes; x,y,z). I tested this and indeed it works, though I cannot confirm the maximum offset of 6°. 4. Displays a vertical and horizontal line simultaneously, so you get a cross (+) in the middle where the lines meet, at 0° vertical and horizontal axes. This is useful to ensure you have the device placed where you want it relative to your floor when using a tripod. 5. One of the brightest non-professional laser levels that I've used 6. Battery longevity is good (it requires 3-AA batteries; there is no wall plug) 7. Laser level may be detached from included tripod; has standard 1/4-20 tripod thread on the bottom of unit; bottom is flat and may rest on any suitable surface. 8. The (light) throw is good. I would estimate in a room with moderate to average lighting, you can easily get 16' of visible light. The included red tinted plastic glasses help increase that range slightly, or improve visibility in a brightly lit room. Cons: 1. Tripod is very light-weight, and constructed of (I believe) thin aluminum. I'd say the tripod is suitable for indoor use only. 2. Useful indoors only as the laser light will be too dim outside unless an overcast day or at night; however, this is typical for consumer-grade products such as this one. Exterior-rated pro units typically don't use visible laser light anyway. This is not really a 'con' so much as a warning if you are considering outdoor use (i.e. don't). 3. The tripod's maximum height is quite short. I didn't measure it, but would estimate the maximum height at about 1m. Perhaps a little taller, but no more than 4 feet tall. 4. The unit cannot be used in any position other than flat horizontal. This means it's less useful for certain circumstances, such as drawing a line level on a wall. It can be done, but you must move it away from the wall to do so. Not a huge 'con', but noteworthy. It is conceivable one could use velcro or another method to "stick" the unit onto a vertical surface temporarily, but I would not recommend planning on doing that. The laser level unit is relatively heavy for it size. 5. The placement of the unit often puts the user or other persons in line-of-sight of the red laser. This is not a Class I device, which means it is NOT eye safe. Be careful especially if you have small children or pets that will be in the vicinity of your use of the device. [note: I have a background in LIDAR systems; I know what I'm talking about here! This device CAN damage your eyes. There is a warning on the device (required by FDA).] 6. The unit is very sensitive to vibration. Walking on an unfinished OSB floor in the same room as the unit, every time I took a step the laser light wobbled (note: I weigh 175 lbs. FWIW). Once the vibrations stop, the unit stops wobbling after 4-6 seconds. 7. Carrying case is relatively flimsy, but suitable for indoor storage. It is made of light-duty plastic. ... show more
Reviewed in the United States on June 1, 2016 by Jiggly Puff
    • Great laser level for setting bathroom tile
Style: Cross-Line Laser Level Kit
First off, my kit arrived less the batteries. Thanks to Amazon for making that right! I received this yesterday and like it. For the money, this is an excellent laser level for a homeowner. My need for this is to set tile in my house as a do-it-yourself project. For this purpose the level is more than sufficient. If you are a contractor, I would recommend going heavy duty. This piece of gear is not ruggedized. I have seen some complaints that the tripod is too short and has a proprietary thread mount. The tripod is short, but is perfect for what I need it for. I’m setting tile in a shower/tub enclosure. I was actually concerned I would not be able to get the laser as close to the tub rim as I needed to set 6x6 tile. When the laser head is on the tripod, the horizontal line is about 15” off the ground on the low end and just over 4’ on the high end. Perfect height for what I need it for. Johnson makes other tripods that this laser level will fit on and they also make a 5/8-11-to-1/4-20 adaptor so you can use it on a standard camera tripod. The adaptor is about $13, and the Johnson brand tripods have heights up to 10’. Johnson also has a tilt adaptor. For general home use, can’t go wrong with this piece of gear. ... show more
Reviewed in the United States on December 1, 2015 by Alan E. Borg

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