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Model #GLL 50

Store SKU #1001966614

50 ft. Cross Line Laser Level Self Leveling with VisiMax Technology, L-Bracket Adjustable Mount and Hard Carrying Case

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  • Replaces multiple tools for all leveling and alignment projects
  • Visible line range of 50 ft. with ±1/8 in. accuracy up to 33 ft.
  • Features retractable feet for free-standing use as a mini tripod
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Product Details

Bosch GLL 50 projecting angled line on wall for stair railing.

Fast And Accurate At Any Angle

The Bosch GLL 50 Self-Leveling Cross-Line Laser Kit features a laser with vertical, horizontal and cross-line modes that projects two lines independently or together.

Bosch GLL 50 projecting straight line for alignment on floor.

Installation Time Saver

Cross-line laser projection and wide coverage is ideal for alignment of drop ceiling, HVAC, tile, electrical, and cabinet installations.

Bosch GLL 50 projecting angled cross lines on wall for stair railing installation.

VisiMax Technology

Built-in VisiMax technology allows for outstanding line visibility in standard working conditions.

Product image of GLL 50 on BM3 Positioning Device with vertical and horizontal cross lines showing.

Versatile Job Layout

Lines can be projected separately or together for a variety of level and alignment applications.

Bosch GLL 50 on BM3 Positioning Device mounted onto beam.

Jobsite Ready

The included BM3 Positioning Device offers quick setup in ceiling grid applications and free-standing mode with its retractable feet.

Bosch GLL 50 product close-up of various line modes.

Easy-to-Use Setup Modes

Projects vertical, horizontal and cross lines.

Bosch GLL 50 product close-up of various line modes.

Lock Lines

The Bosch Smart Pendulum System self-levels and locks the pendulum after the laser is switched off for secure transport.

Infographic showing pendulum swinging.

Smart Pendulum

Smart Pendulum System features self-leveling function and indication for an out-of-level condition

Infographic of target.

Fast and Accurate

Simple keypad operation easily select among the layout modes

Infographic of laser tool and vertical arrow signifying extended working range.

Increased Range

The laser lines are visible up to 50 ft., with an accuracy of ± 1/8 in. at 33 ft.

Infographic of sun indicating brightness

Max Brightness

VisiMax technology provides maximum line visibility in standard working conditions

Infographic of thermometer to indicate temperature regulation.

Longer Lasting

VisiMax technology monitors power consumption to maximize line visibility and extend battery life

Infographic indicating IP54 rating.

IP54 Rated

The robust over-molded construction is built to IP54 dust and water protection standards

The Bosch GLL 50 Self-Leveling Cross-Line Laser Kit features a laser with vertical, horizontal and cross-line modes that projects 2-lines independently or together. This permits a broad array of alignment and leveling applications. The laser lines are visible up to 50 ft., with an accuracy of plus/minus 1/8 in. at 33 ft. The included BM3 Positioning Device offers quick setup in ceiling grid applications and free-standing mode with its retractable feet. This laser is built with sturdy over-molded construction for durability.
  • Easy-to-use laser setup modes projects vertical, horizontal and cross lines
  • Versatile job layout lines can be projected separately or together for a variety of level and alignment applications
  • VisiMax technology provides maximum line visibility in standard working conditions
  • Smart pendulum system allows tool to self-level, and it indicates out-of-level condition
  • Secure laser transport after switching off, pendulum is locked
  • Simple keypad operation easily select among the layout modes
  • BM3 positioning device provides fast setup and micro fine height adjustment
  • Robust over-molded construction built to IP54 dust and water protection standards
  • Includes: M 3 positioning device, belt pouch, laser target, and AA batteries
  • Click here to shop for more Bosch Tools
  • Click here for more information on Electronic Recycling Programs
  • Return Policy

Additional Resources

From the Manufacturer

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Specifications

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Questions & Answers

34Questions
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Q:I see this bundle comes with a tripod, however, when I purchased it from the Collierville store, they did not give me the tripod.
by|Oct 10, 2022
2 Answers
Answer This Question

A:  Hi there! Kindly coordinate with Homedepot about the BT 150 tripod that should come with your package. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

by|Oct 11, 2022

    A:  Mine did come with the tripod. It doesnt extend high enough to do a floor to ceiling tile job though so it didnt help me. You may need to contact them to see if they can supply the tri-pod to you.

    by|Oct 13, 2022
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      Q:recesses lighting
      by|Jul 5, 2022
      1 Answer
      Answer This Question

      A:  Thank you for posting. This GLL 50 measuring tool is intended for determining and checking horizontal and vertical lines. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

      by|Dec 17, 2022
        1 found this answer helpful
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        Q:Cab this be used for framing?
        by|Jun 26, 2022
        1 Answer
        Answer This Question

        A:  Good day! Yes, you can use the GLL30 for framing. It should be indoors as it is designed that way. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

        by|Dec 17, 2022
          1 found this answer helpful
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          Q:this model does not have a plump point per consumer please update description name.
          by|Apr 28, 2022
          2 Answers
          Answer This Question

          A:  I found the same issue, sadly days into trying to reach someone who could help me and ended up settling for less cause I had work to do and was using it already. It does not have plumb points as stated

          by|Dec 17, 2022
          1 found this answer helpful

          A:  Hi there! I apologize for the concern wit regard to the description of this model which is GLL50 is a Self-Leveling Cross-Line Laser but it has a Smart Pendulum System. Your concern will be forwarded to our team for correction purposes. For further assistance, contact us at 1-877-BOSCH99 (1-877-267-2499) from Mon-Fri 7A-7P CST.

          by|Dec 17, 2022
            1 found this answer helpful
            Showing 1-4 of 34
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            Customer Reviews

            4 out of 5
            (239)
            • 4
              out of 239 reviews
            • 76%recommend this product
            Filter by:
            Showing 1-10 of 239 reviews
            Reliably worse than the human eye
            Unfortunately the self leveling function in both the vertical and horizontal planes is pretty bad. Both on the ground and the bosch tripod (with manual leveling of the unit itself), the laser is inches off. I tried in pitch black as well with all curtains closed with the unfortunate same result. I was quite excited bought this unit along with the bosch tripod, hoping to create clear edging lines for painting on walls/ceilings. Unfortunately this doesn't seem to work at least in my environment.
            by
            Response from BoschToolsMay 22, 2020
            I am writing to follow up on a recent review you posted on the HomeDepot.com website regarding the GLL 50 Self Leveling Cross-Line Laser that you purchased. Home Depot is focused on ensuring complete customer satisfaction. As the manufacturer, we are very interested in supplying consumers with a quality product that delivers the expected performance. We're sorry to hear about the issue you've experienced with the laser tool. This laser is designed for indoor job site or on any dim light area. Please contact us at 1-877-267-2499 Mon- Fri 7a -7p CST for troubleshooting instruction and help you with this unit. Also, the lasers have a 30 day money back guaranteed, if you are not satisfied with the laser, you may return it to the store where it was purchased. Thank you for your time.
              4 found this review helpful
              Another great tool from Bosch. Works awesome for my tile work! Great price makes it even better!
              Another great tool from Bosch. Works awesome for my tile work! Great price makes it even better!
              by
              • Verified Purchase
              • Recommended
              1 found this review helpful
              I bought this line level to do a kitchen. Mainly to hang the cabinets. It worked wVery well. The ...
              I bought this line level to do a kitchen. Mainly to hang the cabinets. It worked wVery well. The only draw back is the storage bag is to small to accommodate the all of the accessories. I we’ll be using this on future jobs around the house. Overall this is a solid product. Bosch does it again!
              by
                • Recommended
                2 found this review helpful
                Works great, easy to mount to tripod or other objects. Easily repeatable readings, gyro lock keep...
                Works great, easy to mount to tripod or other objects. Easily repeatable readings, gyro lock keeps everything safe while it is in the storage case.
                by
                • Verified Purchase
                • Recommended
                2 found this review helpful
                Great product. Made framing walls easy for a first timer.
                Great product. Made framing walls easy for a first timer.
                by
                • Verified Purchase
                • Recommended
                1 found this review helpful
                Simple to use Outstanding for tiling projects Very bright laser beam is easy to see in any light ...
                Simple to use Outstanding for tiling projects Very bright laser beam is easy to see in any light Solidly built ON/OFF switch would be better if it were a finger sensor button so you don't jiggle & move the focal point when you turn it off
                by
                • Verified Purchase
                4 found this review helpful
                Great Laser Level
                The Bosch GLL50 self leveling laser level is a great tool to have. As the name states it is self leveling, and it blinks when it is out of its range, meaning when it can't self level. With an accuracy of 1/8" at 33 ft it can be used across larger rooms and still be very accurate. The self leveling can also be locked so that one can project a line that is at an angle. The set comes with a holder which makes it easy to clamp it to something and then fine adjust the position with the hand wheel. It also comes with a target which makes it easier to see the laser in daylight . The set also comes with a belt pouch for the laser level..
                by
                • Recommended
                4 found this review helpful
                A Tool you didn't know you need all along!
                These types of tools have been out many years so the concept of them is not that new. I have never purchased one for my personal tools ant home but do use the company's on the job site quite a bit. Its a different brand and a whole lot more expensive. Its used in all aspects of construction from general carpentry to steel building construction. This model is a more user friendly compact type to be used in a bit smaller scale of job but can to all the same things within 50ft. Where this tool shines is in the home. we have used it in one month to layout and install kitchen cabinets, hang picture and photos on the walls, paint perfect boarders and stripes on the walls in the kids rooms, hang shelves in the bathroom and basement and list goes on. the self level feature is spot on, use may even discover your ceilings or wall being out of level which is good so you know not to use them as reference base points anymore. We had to layout a polka dot grid pattern in my daughters room and without this tool wouldn't have been able to accomplish it in the time we did and that's the room with the out of level wall and ceiling, but with this its perfectly laid out. Here are a few tips when you get it. .1 purchase the tripod along with it. so convenient and easy to make adjustments and setup anywhere. .2 when using it try not to put it in your immediate work space if you not on a concrete floor. if its on a sub floor, when you walk the laser with pick up the bounce in the floor and project that onto the wall. .3 always make sure you on the right setting cause the laser lock and auto level can look the same at first but be slightly of. 4. and lastly....Have fun with it and be creative with your projects. Friends and family are always amazed how straight and level we have things.
                by
                • Recommended
                2 found this review helpful
                Great tool to have
                The 50 ft. Self-Leveling cross-line laser is great. The tool is built very solid, and comes with a stand for sitting it on the floor as well as mounting it to a tripod if you need it higher. The laser are very easy to see, and once you place the tool it levels itself quickly. It comes with a case as well for the tool to help protect it while not in use. This tool will come in handy when I need to hang things on walls so I can have them perfectly level while I am doing my work. This will just simplify my jobs so much. It works great and I tested it on various corners of my house, and it shows all of them to be square and straight (which is good). I am really enjoying this tool, and look forward to the many years it is bound to bring me.
                by
                • Recommended
                3 found this review helpful
                AFFORDABLE EASY-TO-USE LASER POSITIONING
                This is an incredibly simple-to-use laser measure and positioning device. It used to be quite difficult to put up a new wall, or position a new window perfectly straight and level. It required a long processes of using hand held levels and trial and error until you got it right. With this tool it is very easy to ensure straight and level installs every time. Building anything that requires everything be absolutely straight and level is now much easier with this device. The Bosch GLL 50 has a self leveling function that that uses a smart pendulum leveling system and is as easy as turning it on and waiting a couple of seconds for it to self-level. The cross laser beams are perfectly perpendicular to give horizontal and vertical accuracy at the same time. I have used other laser leveling devises over the years that were crazy expensive and took hours to set up. This one is moderately priced and all you have to do is turn it on and start putting up walls. It comes with several options for placing it wherever it is needed to get the job done. You can just set it on the floor, you can attach it to existing structures with the clamp or magnets or temporarily screw it into a wall. You can use a camera tripod because it is very light (the tool only is right at one pound). You can attach the magnetic rotating mount to any ferrous metal object. It has a micro adjustable height positioning mechanism built in, so once it is securely placed, you can use the micro adjustment knob to get it to the exact height you need. You can use either the horizontal beam, the vertical beam or both. You can also choose between using the self level or locked positions. When in self leveling mode, the beams will flash on and off for a couple of seconds while it's leveling itself. After a couple of second the flashing stops and you know it is level and ready to go. It also has a target plate that improves visibility in for when in bright outdoor light. There is a vertical reflective strip on it to ensure you have everything perfectly lined up. It even has it's own protective pouch to keep it in when not in use. This tool is quite rugged. You wouldn't want to throw it down or let the tripod tip over, but normal usage won't harm the sensitive leveling mechanism.
                by
                • Recommended
                1 found this review helpful
                Showing 1-10 of 239 reviews

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                Ratings
                (327)
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                Measurement Accuracy (in.)±1/2 in.±1/8 in.±1/8 in.±1/8 in.
                Number of Measurements0600
                Laser Level Mounting MethodTripod,WallTripod,Wall Tripod
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