An indispensable tool for any builder is the LEVEL. Lots of level options. There is a version in the form of a long tube, and at the edges there are two graduated containers that must be released or raised to find out and display the level (not the best option). The most common, as it is affordable, is a level in the form of an aluminum profile with a liquid level indicator. I, once taking an electronic laser level from a friend, without hesitation bought myself the same one. The device is easy to use and always ready to go. Its laser head is suspended, and according to the laws of physics, the device always shows the correct level. This model has two lasers - one shows the vertical and the other horizontal. They can be turned on independently of each other, or they can be turned on together at once. Also, the device has a height adjustment - you can raise or release it, and a horizontal adjustment (there are knobs-regulators). The device comes with a compact case in which it can be safely transported. Also included is a fixture for mounting the device to the wall (well, there are different situations). In short, I bought it and did not regret it, I have been using the device for five years now and I cannot get enough of it. I advise everyone, you won't regret it!
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