GLL30 Self-Leveling Cross-Line Laser Measure - 30'

Article #19836143 Model #GLL 30 Format30'
GLL30 Self-Leveling Cross-Line Laser Measure - 30'


Perform leveling and alignment tasks accurately and easily with this Bosch GLL30 self-leveling cross-line laser. The highly visible laser lines measure up to 30 feet with an accuracy of up to 5/16 inch. It features a smart pendulum system that indications out-of-level conditions and also locks when the laser is switched off for secure transport. It includes a flexible mounting device that clamps to almost any interior surface and offers microfine height adjustment for customized control.

  • Cross-line mode u projects two bright lines that are precisely level and plumb, for wide array of level and alignment applications
  • Bright accurate lines u projects highly visible laser lines up to 30 Ft. with an accuracy of ±5/16 In. at 30 Ft. of length
  • MM 2 Flexible Mounting Device u clamps to multiple surfaces and provides rotating 360° neck for quick setup and simple fine-tuning
  • Smart Pendulum System u self-levels and indicates out-of-level condition
  • Secure transport u pendulum locks when switched off, to help ensure long tool life
  • Ergonomic, compact and lightweight u easy to use, easy to store
  • Features 1/4 In.-20 tripod thread u for use with MM 2 mount or tripod
  • Versatile clamp u stable grip on thin and thick surfaces from 1/2 In. to 2-1/4 In. thick

Technical specifications

Display Type :Plumb and level Warranty :2-year limited Use Location :Indoor Accessories Included :Yes Accuracy at 100 Feet :5/16-in Base Warranty Labor(Months) :12 Base Warranty Parts(Months) :12 Battery Warranty Labor(Months) :0 Battery Warranty Parts(Months) :0 Beam Type :Cross Item Disclaimer :In-use/lifestyle images-tools/accessories not included Laser Color :Red Laser Level Type :Cross-line Maximum Distance(cm) :914.4 Maximum Distance(ft) :30.0 Motor Warranty Labor(Months) :12 Motor Warranty Parts(Months) :12 Mounting Type :Wall or tripod Number of Beams :2 Out-of-Level Indicator :Yes Remote Control Included :No Self Leveling :Yes Series Name :N/A Sub-Brand :N/A

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Can it be used to install floor tiles as in setting a straight line ? 

Asked by: Rob459
yes you can use it in setting up a straight line preparatory to tile installations.
Answered by: Tito02
Date published: 2021-02-11

This is listed as GLL 30-RT - is it a recondiitioned model?

Asked by: Janet 271142

how do i order this item

Asked by: frankcommo

Can this be used to place a laser line that is not level? For example if I want to shoot a laser line not 180 degrees

Asked by: Phoenixpalazzo
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GLL30 Self-Leveling Cross-Line Laser Measure - 30' is rated 3.8 out of 5 by 130.
Rated 3 out of 5 by from Good for small rooms/jobs Beam is not that bright, you really need a low light area for it to be effective out to 30 feet as advertised. Otherwise you might get half the distance with it getting quite weak towards the ends. I like the clamp mount that came with it, but if you dont have the module close to being level already, it will start flashing on you. It is self leveing so you dont need to be perfect to get a true level, but you need to be close or it will tell you. Spend a little more money and get a better one. I only bought this one as inventory was low and it was all that was left in the bosch line besides the ones with all the extra accessories i didnt want.
Date published: 2021-04-26
Rated 1 out of 5 by from Would not level or clamp down First attempt to use it by sitting it on a table, it worked fine. After that it went downhill from there.. Turned it off and I mounted on a tri-pod and it keeps flashing (indicating it was unable to level per user manual). Turned it off again, and removed from tri-pod, and place back on table, flashes again.. Also a 30-ft line? I don't think so! Barely made it pass 5 or 6 ft. Tried the provided clamp and same results. The clamp part worked fine attaching it to my stair's handrail. But the clamping mechanism where the unit attaches to, could never get it tight enough. Unit moves to move and any slight vibration, the unit moves. Not worth it and returning it today.
Date published: 2018-03-18
Rated 5 out of 5 by from Works great Bought this to do a 37" x 39" tile shower. 4 foot level would not do. This gave me a way to find level and plum on all 3 walls. Did a great job. I mounted it on a pole and could spin it without touching the lazer level. I could mark the center of each wall and know which wall was out of plumb so I was not measuring from a crooked wall.After leveling the bottom row easily and checking the rest as I went, I'm not hearing those dreaded words from my wife. "Something looks crooked". Pic is after setting the first wall.
Date published: 2018-07-15
Rated 5 out of 5 by from Bosch 30-Ft red Beam Self Leveling NO CASE I bought this for my husband. We are remolding and needed something with lines to guide use to hang kitchen cabinets. I checked it out and played around with it and found it pretty good. I did not receive a carry case which would have been nice and I would thing cost more money. I did get a flexible mounting device that can be mounted on to a banister if you need to work with a stair wall. I will have to get a tripod for this to do the job we need it for. I think it would be inaccurate to just hold it in place. It also came with batteries but they did not work so I tossed them and replaced them with two double AA batteries.
Date published: 2021-01-07
Rated 4 out of 5 by from It's worked so far but we're not out yet. Bought this to assist with installing a drop ceiling in our laundry room. At first I thought I was going to need to buy the tripod as well but I realized that I could utilize the included clamping mount with a 2x4 hanging from the floor joists. Worked beautifully. I was able to spin it almost 180 degrees just using the threading on the mount. Later I was able to check how square the cross bars were even with it pointed straight up. The laser blinked because it was not level but the cross beam worked as a square. You can see in the first photo how I was able to mount it (and if you look close you can see marks on the wall behind.) The second photo shows the laser brightness in shadow and in light. The dark lines in the beam are also pencil marks.
Date published: 2020-07-14
Rated 4 out of 5 by from Great accurate level This level is a good purchase with only one flaw... the directions are vauge. I could not get it to be consistent when attaching it to my 6 foot ladder. This was no good as the device needs to be at the height of the line you are looking to make. You can turn the device left or right but up and down need to be adjusted to keep the pendulum within 4°so it can swing freely. I used a 8' closet rod and a stand to mount the level to with the supplied clamp. Works great now. There is a tripod they sell and that mite be a good purchase as well.
Date published: 2017-05-01
Rated 5 out of 5 by from Love this device Ok... We just moved into a house and my wife says those dreaded words: "Let's hang pictures this weekend!" I love my wife dearly, but uneven, unlevel pictures, etc drive her crazy. So I went shopping. ;) This gadget drops a level and plumb cross hair on the wall. Get the Bosch branded tripod too... Makes things handy. Would like to have gotten a case included.
Date published: 2016-08-01
Rated 5 out of 5 by from Easy to use level This laser level was very easy for a amateur handyman like me to use. I bought it, and in a few hours, used it to level the ceiling in our bathroom, which was out of kilter by more than an inch. The easiest part of the operation was using the level itself. The end product looked great, and I verified level using a traditional level. Straight and true.
Date published: 2016-11-17
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