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Model #GLM 42

Store SKU #1002409516

BLAZE 135 ft. Laser Measurer with Full Color Display

$9603
Limit 2 per order
  • Quickly measure and record length, area, volume from one position
  • Accuracy: ±1/16 in.
  • Full color backlit display for easy viewing
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Product Overview

Bosch GLM 42 projecting straight line for room measurement.

The BLAZE GLM 42

The Bosch BLAZE GLM 42 135 ft. Laser Measure is a fully featured, easy-to-use tool, with a display guide that uses words, letters and icons to walk the user through each measurement process.

Lineup of Bosch BLAZE laser measuring tools.

BLAZE Laser Family

Laser measures designed to measure further and provide additional functions to allow for fast, accurate, and easy measuring.

Bosch GLM 42 in hand being used to take measurement.

Accurate Laser Measuring Anywhere

Thanks to its laser precision technology and real-time measurement mode, it takes instant and reliable measurements up to 135 ft., to size up the job in seconds.

Product image of GLM 42.

Real Time Measuring

Real-time measurement mode lets you walk-off measurements from the wall and other surfaces just like a tape measure.

Close up of GLM 42 screen showing measuring features.

Multiple Measuring Features

Includes real-time length, length, area, volume and indirect functions, and addition/subtraction capability.

Bosch GLM 42 being used to take floor to ceiling measurement.

Pocket-sized Portability

Pocket size for easy access anywhere

Close up of buttons on Bosch GLM 42.

Easy-to-Use Display Guide

Walks the user through each measurement process

Infographic of laser tool and vertical arrow signifying measurement range.

Long Range

Provides accuracy up to ±1/16 in. and measures up to 135 ft.

Infographic of light bulb indicating backlight display.

Backlit Display

Illuminates numbers in dark areas with distinct resolution, allowing work in low-light or no-light

Infographic of bubble level.

Bubble Level

Provides a visual reference when measuring horizontal distances

Infographic of memory card.

Memory

Has a 20-measurement storage capability

Infographic of laser measure in pocked indicating portability.

Pocket-Sized

Maximum portability for easy access anywhere

Infographic outline of house indicating interior usage.

Interior Usage

Designed for interior use. Backlighting allows user to see information in dark areas with better resolution.

The Bosch BLAZE GLM 42 135 ft. Laser Measure is a fully featured, easy-to-use tool, with a display guide that uses words, letters and icons to walk the user through each measurement process. The easy-to-read backlit color display improves the visibility and usability of the laser measure. It provides real-time length, area, volume and indirect measuring functions and it has a 20-measurement storage capability and addition/subtraction functionality. This tool includes default real-time measurement mode, adjusting the measurement the closer to or further from the target the laser measure is. The digital bubble vial provides a visual reference when measuring horizontal distances. Thanks to its laser precision technology and real-time measurement mode, it takes instant and reliable measurements up to 135 ft., to size up the job in seconds. It is accurate up to ±1/16 in. And it fits in any pocket for easy access.
  • Easy-to-read backlit color display - illuminates numbers in dark areas with distinct resolution, allowing work in low-light or no-light conditions
  • Default real-time measurement mode - immediately provides accurate measurement that automatically adjusts closer to or farther from the target
  • Easy-to-use display guide - walks the user through each measurement process
  • Multiple measuring features - includes real-time length, area, volume and indirect functions and addition/subtraction capability
  • Memory storage - provides storage for up to 20-measurements
  • Accuracy and long-range measuring - provides accuracy up to ±1/16 in. and measures up to 135 ft.
  • Digital bubble level - provides a visual reference when measuring horizontal distances
  • Compact size - fits in any pocket for easy access
  • Includes: GLM 42-laser measure, (1) protective pouch, (1) hand strap, (1) target card, (2) AAA batteries






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Info & Guides

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Price
$5497
$9603
$9997
$16900
Ratings
(32)
(316)
(20)
(24)
Measurement StandardMetric,SAEMetric,SAE,USSMetric,SAE,USSMetric,SAE,USS
Max Laser Distance (ft.)65 ft.135 ft.165 ft.165 ft.
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Specifications

Dimensions

Product Depth (in.)
1.8 in
Product Height (in.)
4.2 in
Product Width (in.)
0.9 in

Details

Compatible Battery Type
AAA Batteries
Condition
New
Features
Hand-Held,Rotating,Self-Leveling
Hand Tool Type
Range Meter
Indoor/Outdoor
Indoor
Max Laser Distance (ft.)
135 ft.
Measurement Standard
Metric,SAE,USS
Reconditioned
No
Returnable
90-Day
Tools Product Type
Hand Tool

Warranty / Certifications

Manufacturer Warranty
2 Year

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

  • 4.5
    out of 316 reviews
  • 85% recommend this product
Filter by:
Showing 1-10 of 316 reviews
Great product. Just right
Great product. Just right
by Kojack
  • Verified Purchase
  • Recommended Product
I needed one of these laser measuring tools for a welding project and it's probably a good thing ...
I needed one of these laser measuring tools for a welding project and it's probably a good thing that I didn't have time to order from Amazon because I probably wouldn't have bought a Bosch model. I have a Bosch GLL 2 (Self-Leveling Cross-Line Laser) which works great indoors or in low/diffused light conditions outside but is next to useless in sunny conditions when trying to set a post more than a few feet away (installing a deck for example). My experience with the GLL 2 resulted in my not looking to Bosch for any laser related products. That said, poor planning on my part meant that I couldn't get a laser measure online so had to buy something local. As it turns out, my local Home Depot had this model in stock so I figured I'd try it and return it if it wasn't up to the task. I needed to measure between numerous 6"x6" vertical posts in order to determine the width of the steel railings that I'm going to weld up and install. I was able to get all the necessary measurements in no time at all and without the help of an assistant. The laser dot seems bright, even in sunny conditions, but I'd probably have trouble seeing it 135 feet away. However, I had no trouble measuring between my house and the detached garage (45 feet) to give me some idea as to how much conduit and cable I need to run 220V between the main panel and a new sub panel. I won't claim to know if the accuracy is good, bad or average since I didn't confirm any measurements with a tape measure, but I will say that this device eliminates many of the limitations of a tape measure that add error. For example, it's next to impossible using a standard tape measure to obtain accurate distances between vertical posts that aren't square, orthogonal or plum relative to a point or plane of reference, but this device makes that task very easy. Other tape related issues such as guessing the center of a radius on an inside measurement; tape sag or droop over a long distance, making multiple measurements for distances that exceed the length of the tape, vertical dimensions, angled dimensions etc., all become trivial with this device. This unit stores 20 measurements which is useful, keeps the last measurement displayed until you take another, provides angles, has static and real time measuring modes, calculates areas and volumes and has a bright, clear and easy to read display. I used the GLM 42 in real time mode to determine the shortest distance between uprights since this is a critical dimension for rigid steel railings. The GLM 42 is much smaller than I thought it would be and the soft protective case is a nice addition although a little tight. So far I'm impressed and would recommend this unit based on my limited time with it and am 99% sure I'll be keeping this one.
by GH
  • Pro
  • Verified Purchase
  • Recommended Product
4 people found this helpful
I will never, ever use a tape measure for the distance between two parallel surfaces, the area of...
I will never, ever use a tape measure for the distance between two parallel surfaces, the area of a room, etc. This thing is so amazingly precise; it made getting custom-made plantation shutters for our window frames very simple.
by Sekkyo
  • Verified Purchase
  • Recommended Product
3 people found this helpful
Works pretty good. What I like the most is it's size and that the digital display is in colors an...
Works pretty good. What I like the most is it's size and that the digital display is in colors and completely visible in dark spaces. It has functions for calculate areas and volume. Keeps history of your current measuring session. It has a real time measuring feature that change the dimension measured as you move the device. A digital bubble levels shown on display helps you take dimensions with more accuracy. It measures in feet or meters, auto-shuts down after a while without use and auto-rotates display for convenience. Great purchase!
by Sek
  • Verified Purchase
  • Recommended Product
2 people found this helpful
Small and very accurate; this small laser measuring tool is very accurate and very easy to use. I...
Small and very accurate; this small laser measuring tool is very accurate and very easy to use. It will measure very accurately up to 135'. I measured many different areas and items with both a standard steel tape measure and the laser measuring tool. This tool is just as accurate as the tape but is so much easier to use since it can used by just one person. With a long tape you really need someone holding the free end of the tape to make sure it stays hooked where it needs to be for an accurate measurement. With this tool there is no need for someone to hold the free end of the tape. The tool has a small bubble level so you can get a flat point to point measurement and it also has a 1/4" mount for a tripod. The tool is small (1 3/4 wide x 4 1/8" long x 7/8" thick) so it's very easy to keep handy in a pocket or use the belt clip. The readout for whole numbers is large enough to be easily read but the fraction read out is on the small side and hard for me to read. I do like the hold function, take one measurement tap the power button and it stores the reading on the screen. Take another measurement tap the power button again and you have both measurements stored on the screen, this can be done for up to three measurements. No need to try and remember them or write them down. Very handy! Overall this is outstanding value for your money; the cost of this is almost the same as most good quality steel tape measures of 100' but this laser can take measurements out to 135'. And since you won't need anyone to anchor the end of the tape it's worth every cent.
by OutbackJoe
  • Recommended Product
6 people found this helpful
Nice professional laser measure. Has functions that you’ll use for many applications. Examples measuring the square foot area say for tiling the floor, drapes and many others. This for me is a bit difficult to remember the formula for the volume. The laser even measures ‘Indirectly’ meaning if something is blocking the way of the straight line to measure it can calculate around it. Just point and click the laser to where you’re measuring. It has an easy to read screen and is bright enough even in the sun to get the job done. This device even saves the measurements. Not least is the level on the screen makes a better level very convenient to use.
by paulawill2
  • Recommended Product
4 people found this helpful
The Bosch BLAZE GLM 42 measures up to 135 ft. Laser Measure. It measures distance, area, volume, indirect and has a 20 measurement storage capability and it has a addition/subtraction functionality. It has a digital bubble to provide a visual reference when measuring horizontal distance. The accurate is up to +/- 1/16 in. Even in bright sunlight you can still see the screen. The rotating color screen is a nice feature. The default real-time measurement mode automatically adjust closer to or farther from the target. It is easy to use to help you get the quick measurements for the job. Includes: GLM 42-laser measure, protective pouch, hand strap, target card, (2) AAA batteries. It comes with a two year warranty.
by MikeLikesIt
  • Recommended Product
3 people found this helpful
Very precise, easy to use
Let's cut to the chase - the million dollar question is, "How accurate is it?" The answer: VERY accurate. After it arrived I went around the house shooting it at random things at random distances, then used a tape measure to check it's accuracy. I was fully expecting some margin of error, but it was spot on every time. I now feel very confident in it's accuracy and use this in place of a tape measure every chance I get. It is SO much easier, particularly at distances of 10 feet or more, to just point a laser and get an instant reading. Highly recommended!
by timtsb
  • Recommended Product
5 people found this helpful
Awesome measuring device that performs perfectly!!
This Bosch laser measure is easy to use and has plenty of handy features for any job that requires measuring different items. The LCD screen has a backlight and is about 1 1/8" square. It has black rubbery accents that help hold it securely in the hand. It comes with a carrying case and strap, 2 AA batteries, 5 target cards, a registration card, and a well-written instruction booklet. I like that it not only measures lengths, but can also calculate area and volume and add/subtract 2 measured values. It has a beep sound that can be turned on or off. The backlight automatically dims after 10 seconds and shuts down if no buttons are pressed in 30 seconds. The memory comes in handy and can hold up to 10 measurements. All measurements that I have taken are very precise. This unit was made in Malaysia and Bosch warrants it for 1 year - but if you register it within 8 weeks of purchase, you will receive an extra year of warranty. Be sure to register mailing the enclosed card or online quickly!
by DoubleL
  • Recommended Product
1 person found this helpful
Outstanding Tool for Accurate Measurements
I love this miniature device! It is versatile, compact and VERY accurate over moderately long distances (literature states up to 135’ but I did not try it to that length). Like most laser measures, it’s great for obtaining measurements where obstacles in the room or long distances would have you seek out a second person to help you take measurements with a conventional tape ruler.. But unlike many similar laser measures, it also performs a variety of functions, eliminating the need to take notes for separate calculations – for example, it can determine square feet and volume, all with a short series of clicks and no need for a separate calculator or pad & paper. The memory function displays up to three numbers on the LCD screen, which is both easy to read and a reassuring way to easily verify with two or more quick measures (clicks) that your initial reading is accurate (see picture). I like the fact that the measurement is taken from the end of the unit that is opposite of the laser, so that you can place the back of the unit right against the surface that you are starting the measurement from, without having to make additional math computations in your head to add or subtract the length of the device itself (see picture). The laser dot allows a pinpoint determination of the target measuring spot, and is visible even in sunlight -- but don't be misled, the laser dot gets tiny as the distance increases, so finding the target over 60' away may not be easy unless you are a marksman, or there is a solid background that helps the dot to stick out. A few paper "targets" are provided with the product for this purpose, but a very steady hand on the laser is necessary to be able to successfully use these. The laser will automatically turn off if left on too long. The product includes a nice fabric carrying case (which attaches to a belt with a Velcro fastener), and more than just being a convenience is really necessary to protect this precision instrument from damage, . It also comes with a small lanyard to wrap around your hand, helpful when taking measurements from precarious spots where a loss of grip could be a costly accident. I was a little puzzled where to install the lanyard, but on closer examination, there are two tiny holes on the bottom corner of the device where the lanyard can be threaded (see picture). It’s the little details provided by Bosch that make this a powerful, user friendly device and worthy of inclusion in the toolbox of active DIYers and professionals.
by Jayp
  • Recommended Product
1 person found this helpful
Showing 1-10 of 316 reviews